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Calculators | BMJ Best Practice

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us</a></div></div></li></ul></div></div></nav></header><main id="main-content" role="main" data-test="main-content"><div id="calculators" class="container calculators main-container"><h1>Calculators</h1><p>Browse and search over 250 evidence-based medical calculators.</p><p>This page contains links to external websites. Links are provided for your convenience, and do not imply endorsement or approval. We have no control over the contents or functionality of those website(s) and accept no responsibility for any loss or damages that may arise from your use of them. We are not responsible for any website outside our BMJ branded websites and mobile applications, and any such website use will be subject to relevant terms and conditions and privacy policies. Please refer to <a href="https://www.bmj.com/company/legal-information/" class="d-inline" role="link">BMJ's Website Terms and Conditions</a> for further information.</p><div class="border-top-light-gray mb-4 d-block locked-banner"><div class="card pt-2 pb-2 shadow-none"><a class="fullDetails-locked d-flex align-items-center justify-content-center" href="/log-in"><img src="/images/padlock-lock.svg" class="mr-2" alt="padlock-locked"><span>Log in or subscribe to access all of BMJ Best Practice</span></a></div></div><div class="card tabCard"><div class="card-block"><ul class="nav nav-tabs" role="tablist"><li class="nav-item" role="presentation"><button aria-label="A - Z Calculators" class="nav-link active w-100" data-toggle="tab" data-target="#atoz" role="tab" aria-controls="atoz" aria-selected="true">A - Z</button></li><li class="nav-item" role="presentation"><button aria-label="By Specialty Calculators" class="nav-link w-100" data-toggle="tab" data-target="#bySpecialty" role="tab" aria-controls="bySpecialty" aria-selected="false">By Specialty</button></li></ul></div></div><div class="card tab-content"><div id="atoz" class="card-block tab-pane active" role="tabpanel"><bp-content-filter placeholdertext="Filter calculators"><h2 class="atoz_heading">A</h2><ol class="atoz_list"><li><span class="atoz_list_text"> A-a Gradient </span><span class="atoz_list_description"> Calculates difference between alveolar and arterial oxygen concentration. </span></li><li><span class="atoz_list_text"> ABCD2 Score to Predict Stroke Risk after TIA </span><span class="atoz_list_description"> Estimates the risk of stroke following transient ischemic attack. </span></li><li><span class="atoz_list_text"> Absolute Eosinophil Count </span><span class="atoz_list_description"> Assesses number of eosinophils (e.g., in people with allergic or autoimmune conditions, or parasite infections). </span></li><li><span class="atoz_list_text"> Absolute Lymphocyte Count </span><span class="atoz_list_description"> Estimates number of lymphocytes and predicts CD4 count. </span></li><li><span class="atoz_list_text"> Absolute Neutrophil Count </span><span class="atoz_list_description"> Measures number of neutrophils (used to asses neutropenia or neutrophilia). </span></li><li><span class="atoz_list_text"> Absolute Reticulocyte Count </span><span class="atoz_list_description"> Measures reticulocytes (used to assess anemia). </span></li><li><span class="atoz_list_text"> Acetaminophen (Paracetamol) Toxicity Assessment (Original, 1975) </span><span class="atoz_list_description"> Calculator to guide management following a single acetaminophen (paracetamol) ingestion, based on time since ingestion and blood acetaminophen level, using the original 1975 Rumack and Matthew calculation. </span></li><li><span class="atoz_list_text"> Acetaminophen (Paracetamol) Toxicity Assessment (Revised 2023) </span><span class="atoz_list_description"> Calculator to guide management following a single acetaminophen (paracetamol) ingestion, based on time since ingestion and blood acetaminophen level, using the 2023 revision of the Rumack and Matthew calculation. </span></li><li><span class="atoz_list_text"> ACR/EULAR Rheumatoid Arthritis Diagnostic Criteria (2010) </span><span class="atoz_list_description"> Diagnostic criteria for rheumatoid arthritis. </span></li><li><span class="atoz_list_text"> Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features </span><span class="atoz_list_description"> Estimates risk of acute heart failure. </span></li><li><span class="atoz_list_text"> Alcohol Consumption Screening AUDIT Questionnaire </span><span class="atoz_list_description"> Screening tool to identify alcohol use disorders. </span></li><li><span class="atoz_list_text"> Aminoglycoside Clearance Estimate </span><span class="atoz_list_description"> Estimates rate of aminoglycoside clearance. </span></li><li><span class="atoz_list_text"> Anion Gap </span><span class="atoz_list_description"> Aids in identifying causes of metabolic acidosis. </span></li><li><span class="atoz_list_text"> Anion Gap Delta Delta Gradient Multicalc </span><span class="atoz_list_description"> Aids in identifying acid-base disorders. </span></li><li><span class="atoz_list_text"> Anion Gap Delta Delta Ratio Multicalc </span><span class="atoz_list_description"> Aids in identifying acid-base disorders. </span></li><li><span class="atoz_list_text"> Anion Gap in Hypoalbumin States </span><span class="atoz_list_description"> Calculation of anion gap (to identify acid-base disorders) taking hypoalbuminemia into account. </span></li><li><span class="atoz_list_text"> APACHE II scoring system </span><span class="atoz_list_description"> Estimates ICU mortality. </span></li><li><span class="atoz_list_text"> Apgar score </span><span class="atoz_list_description"> Assesses neonates 1 and 5 minutes after birth. </span></li><li><span class="atoz_list_text"> Arterial Blood Gas Interpretation TreeCalc </span><span class="atoz_list_description"> Analysis of arterial blood gas results. </span></li><li><span class="atoz_list_text"> Atrial fibrillation CHADS(2) score for stroke risk </span><span class="atoz_list_description"> Estimates risk of stroke in patients with atrial fibrillation. </span></li></ol><h2 class="atoz_heading">B</h2><ol class="atoz_list"><li><span class="atoz_list_text"> BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD </span><span class="atoz_list_description"> Predicts risk of mortality and need for mechanical ventilation in acute exacerbations of COPD. </span></li><li><span class="atoz_list_text"> Base Excess Determination </span><span class="atoz_list_description"> Aids in identifying acid-base disorders. </span></li><li><span class="atoz_list_text"> Bayesian Statistics I MultiCalc </span><span class="atoz_list_description"> Calculates statistics from prevalence, sensitivity, and specificity. </span></li><li><span class="atoz_list_text"> Bayesian Statistics II MultiCalc </span><span class="atoz_list_description"> Calculates statistics from true and false positives and negatives. </span></li><li><span class="atoz_list_text"> Bedside Index of Severity in Acute Pancreatitis (BISAP) Score </span><span class="atoz_list_description"> Predicts risk of mortality in acute pancreatitis. </span></li><li><span class="atoz_list_text"> Benefit Increase / Number Needed to Treat Multicalc </span><span class="atoz_list_description"> Calculates absolute and relative benefit and number needed to treat. </span></li><li><span class="atoz_list_text"> Bicarbonate Deficit </span><span class="atoz_list_description"> Calculates total bicarbonate deficit. </span></li><li><span class="atoz_list_text"> Blatchford score for gastrointestinal bleeding </span><span class="atoz_list_description"> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </span></li><li><span class="atoz_list_text"> Bleeding Risk (any bleeding complication) on Warfarin Therapy </span><span class="atoz_list_description"> Estimates risk of any bleeding complications for patients on warfarin. </span></li><li><span class="atoz_list_text"> Bleeding Risk (major complication) on Warfarin Therapy </span><span class="atoz_list_description"> Estimates risk of major bleeding complications for patients on warfarin. </span></li><li><span class="atoz_list_text"> Bleeding Risk Index for Warfarin Therapy </span><span class="atoz_list_description"> Estimates risk of bleeding for patients on warfarin. </span></li><li><span class="atoz_list_text"> Blood Ethanol Concentration Estimation </span><span class="atoz_list_description"> Estimates blood ethanol concentration. </span></li><li><span class="atoz_list_text"> BODE Index for COPD Survival Prediction </span><span class="atoz_list_description"> Estimates prognosis in patients with COPD based on body mass index, airflow obstruction, dyspnea, and exercise. </span></li><li><span class="atoz_list_text"> Body Mass Index (BMI) (Quetelet&#39;s index) </span><span class="atoz_list_description"> Assesses whether patient is at a weight appropriate for their height. </span></li><li><span class="atoz_list_text"> Body Mass Index (BMI) percentiles for boys (2 to 20 years) </span><span class="atoz_list_description"> Assesses whether patient is at a weight appropriate for their height, age, and gender. </span></li><li><span class="atoz_list_text"> Body Mass Index (BMI) percentiles for girls (2 to 20 years) </span><span class="atoz_list_description"> Assesses whether patient is at a weight appropriate for their height, age, and gender. </span></li><li><span class="atoz_list_text"> Body Surface Area (Du Bois Method) </span><span class="atoz_list_description"> Calculation of body surface area. </span></li><li><span class="atoz_list_text"> Body Surface Area (Gehan &amp; George Method) </span><span class="atoz_list_description"> Calculation of body surface area. </span></li><li><span class="atoz_list_text"> Body Surface Area (Mosteller, square root method) </span><span class="atoz_list_description"> Calculation of body surface area. </span></li><li><span class="atoz_list_text"> Body Surface Area Based Dosing </span><span class="atoz_list_description"> Calculates drug dose based on body surface area. </span></li><li><span class="atoz_list_text"> Breast Cancer Recurrence Risk After Mastectomy (simple) </span><span class="atoz_list_description"> Assesses risk of breast cancer recurrence after mastectomy based on tumor grade and lymphatic involvement. </span></li><li><span class="atoz_list_text"> Breast cancer risk assessment by Gail Model (2018) </span><span class="atoz_list_description"> Screening tool which allows health professionals to estimate a woman&#39;s risk of developing invasive breast cancer over the next five years and up to age 90 (lifetime risk). </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation (Brooke estimate) </span><span class="atoz_list_description"> Estimates fluid requirements following burn injury. </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation (Demling dextran estimate) </span><span class="atoz_list_description"> Estimates colloid fluid requirements following burn injury. </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation (Evans estimate) </span><span class="atoz_list_description"> Estimates fluid requirements following burn injury. </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate) </span><span class="atoz_list_description"> Estimates fluid requirements following burn injury. </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation (Slater estimate) </span><span class="atoz_list_description"> Estimates fluid requirements following burn injury. </span></li><li><span class="atoz_list_text"> Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate) </span><span class="atoz_list_description"> Often used to estimate fluid requirements in adults following major burn injury. </span></li></ol><h2 class="atoz_heading">C</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Calcium Correction in Hypoalbuminemia </span><span class="atoz_list_description"> Calculates corrected calcium level for patients with hypoalbuminemia. </span></li><li><span class="atoz_list_text"> Calcium Correction in Hypoalbuminemia (SI units) </span><span class="atoz_list_description"> Calculates corrected calcium level for patients with hypoalbuminemia. </span></li><li><span class="atoz_list_text"> Canadian Head CT Rule for Minor Head Injury </span><span class="atoz_list_description"> Assesses which patients with minor head injury need CT scan. </span></li><li><span class="atoz_list_text"> Cardiac output </span><span class="atoz_list_description"> Calculates cardiac output. </span></li><li><span class="atoz_list_text"> Cardiac Risk Index for Non-AAA Vascular Surgery (Lee) </span><span class="atoz_list_description"> Estimates risk of cardiac complications following vascular surgery (non-abdominal aortic aneurysm). </span></li><li><span class="atoz_list_text"> Cardiac Risk Index for Orthopedic Surgery (Lee) </span><span class="atoz_list_description"> Estimates risk of cardiac complications following orthopedic surgery. </span></li><li><span class="atoz_list_text"> Cardiac Risk Index in Noncardiac Surgery (Detsky et. al.) </span><span class="atoz_list_description"> Estimates risk of cardiac complications following noncardiac surgery. </span></li><li><span class="atoz_list_text"> Cardiac Risk Index in Noncardiac Surgery (Goldman, et. al.) </span><span class="atoz_list_description"> Estimates risk of cardiac complications following noncardiac surgery. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment (10-year, ACC/AHA 2013) </span><span class="atoz_list_description"> Estimates 10-year risk of cardiovascular disease based on key risk factors. </span></li><li><span class="atoz_list_text"> Cardiovascular risk assessment (10-year, MESA 2015, with or without CAC score) </span><span class="atoz_list_description"> Ten-year cardiovascular risk assessment with or without coronary artery calcification score. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment (10-year, PROCAM Score, Munster Heart Study SI units) </span><span class="atoz_list_description"> Ten-year cardiovascular risk score based on Munster study with cholesterol levels in SI units. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment (10-year, PROCAM Score, Munster Heart Study) </span><span class="atoz_list_description"> Ten-year cardiovascular risk score based on Munster study with cholesterol levels in mg/dL. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment in Men (10-year, patient information, Framingham 2008) </span><span class="atoz_list_description"> Cardiovascular risk score that includes patient information for men. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment in Men (10-year, Reynolds Risk Score 2008) </span><span class="atoz_list_description"> Ten-year cardiovascular risk score that includes C-reactive protein as well as other criteria. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment in Type I Diabetes (5-year) </span><span class="atoz_list_description"> Estimates 5-year risk of cardiovascular disease in patients with type I diabetes. </span></li><li><span class="atoz_list_text"> Cardiovascular Risk Assessment in Women (10-year, patient information, Framingham 2008) </span><span class="atoz_list_description"> Cardiovascular risk score that includes patient information for women. </span></li><li><span class="atoz_list_text"> CDC height for age percentiles for boys (2 to 20 years) </span><span class="atoz_list_description"> Assesses whether patient is at appropriate height for their age. </span></li><li><span class="atoz_list_text"> CDC height for age percentiles for girls (2 to 20 years) </span><span class="atoz_list_description"> Assesses whether patient is at appropriate height for their age. </span></li><li><span class="atoz_list_text"> CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months) </span><span class="atoz_list_description"> Assesses whether patient has appropriate head circumference for their age. </span></li><li><span class="atoz_list_text"> CHADS-VASc Score for Stroke Risk in Arial Fibrillation (CHA[2]S[2]-VASc) </span><span class="atoz_list_description"> Score for stroke risk in atrial fibrillation. </span></li><li><span class="atoz_list_text"> Child Pugh classification for severity of liver disease </span><span class="atoz_list_description"> Assesses severity of liver disease. </span></li><li><span class="atoz_list_text"> Child Pugh classification for severity of liver disease (SI units) </span><span class="atoz_list_description"> Assesses severity of liver disease. </span></li><li><span class="atoz_list_text"> Cirrhosis probability in hepatitis C (FIB-4) </span><span class="atoz_list_description"> Calculates FIB-4 index which is a non-invasive method of screening for clinically significant hepatic fibrosis secondary to metabolic dysfunction-associated steatotic liver disease (MASLD) </span></li><li><span class="atoz_list_text"> CIWA-Ar Clinical Institute Withdrawal Assessment for Alcohol scale </span><span class="atoz_list_description"> Measures severity of alcohol withdrawal syndrome. </span></li><li><span class="atoz_list_text"> Clinical Grading to Predict Malignant Hyperthermia </span><span class="atoz_list_description"> Historical, clinical and laboratory features to assess malignant hyperthermia. </span></li><li><span class="atoz_list_text"> Clinical Pulmonary Infection Score (CPIS) </span><span class="atoz_list_description"> Aids in early diagnosis and treatment of ventilator-associated pneumonia. </span></li><li><span class="atoz_list_text"> Cognitive Impairment Screening with 6 Questions </span><span class="atoz_list_description"> Screening tool for cognitive impairment in adults. </span></li><li><span class="atoz_list_text"> Community-acquired pneumonia severity index (PSI) for adults </span><span class="atoz_list_description"> Estimates risk of mortality in patients with community-acquired pneumonia. </span></li><li><span class="atoz_list_text"> Conventional unit to SI unit conversions: Chemistry tests </span><span class="atoz_list_description"> Unit conversions for chemistries. </span></li><li><span class="atoz_list_text"> Conventional unit to SI unit conversions: Immunology test values </span><span class="atoz_list_description"> Unit conversions for immunology tests. </span></li><li><span class="atoz_list_text"> Creatinine clearance (measured) </span><span class="atoz_list_description"> Measures creatinine clearance. </span></li><li><span class="atoz_list_text"> Creatinine clearance estimate by Cockcroft-Gault equation </span><span class="atoz_list_description"> Calculates creatinine clearance according to the Cockcroft-Gault equation. </span></li><li><span class="atoz_list_text"> Creatinine clearance estimate by Cockcroft-Gault equation (SI units) </span><span class="atoz_list_description"> Calculates creatinine clearance according to the Cockcroft-Gault equation. </span></li><li><span class="atoz_list_text"> Crohn&#39;s Disease Activity Index (CDAI) </span><span class="atoz_list_description"> Assesses severity of Crohn disease. </span></li><li><span class="atoz_list_text"> CURB-65 pneumonia severity score </span><span class="atoz_list_description"> Predicts risk of mortality in community-acquired pneumonia. </span></li></ol><h2 class="atoz_heading">D</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Depression (any) Screening by a Two Item PHQ-2 </span><span class="atoz_list_description"> Scores for likelihood of any depression. </span></li><li><span class="atoz_list_text"> Depression (major) Screening by a Two Item PHQ-2 </span><span class="atoz_list_description"> Scores for likelihood of major depression. </span></li><li><span class="atoz_list_text"> Dynamic International Prognostic Scoring System-Plus (DIPSS-Plus) </span><span class="atoz_list_description"> Assesses risk and prognosis in primary myelofibrosis. </span></li></ol><h2 class="atoz_heading">E</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Edinburgh Postnatal Depression Scale (EPDS) </span><span class="atoz_list_description"> Screening tool to identify women who may have postnatal depression. </span></li><li><span class="atoz_list_text"> Endocarditis Diagnostic Criteria -- Duke Criteria </span><span class="atoz_list_description"> Pathological and major/minor clinical criteria for endocarditis. </span></li><li><span class="atoz_list_text"> Endocarditis Diagnostic Criteria -- Modified Duke Criteria </span><span class="atoz_list_description"> Updated clinicopathological criteria for endocarditis. </span></li><li><span class="atoz_list_text"> Epworth Sleepiness Scale (ESS) </span><span class="atoz_list_description"> Measures daytime sleepiness. </span></li><li><span class="atoz_list_text"> Estimated Date of Delivery (EDD) </span><span class="atoz_list_description"> Calculates gestational age and estimated date of delivery. </span></li><li><span class="atoz_list_text"> Estimated date of delivery (EDD) (Patient education) </span><span class="atoz_list_description"> Calculates gestational age and estimated date of delivery. </span></li><li><span class="atoz_list_text"> EuroSCORE for Cardiac Surgery Risk Assessment (additive version) </span><span class="atoz_list_description"> Calculates risk of mortality in patients undergoing cardiac surgery. </span></li><li><span class="atoz_list_text"> EUTOS long-term survival (ELTS) score </span><span class="atoz_list_description"> Estimates risk of chronic myeloid leukaemia-related death </span></li></ol><h2 class="atoz_heading">F</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Fall Risk in Elderly Hospitalized Patients </span><span class="atoz_list_description"> Estimates risk of fall in elderly patients. </span></li><li><span class="atoz_list_text"> Fractional Excretion of Magnesium </span><span class="atoz_list_description"> Calculates fractional excretion of magnesium (used to assess hypomagnesemia). </span></li><li><span class="atoz_list_text"> Fractional Excretion of Magnesium (SI units) </span><span class="atoz_list_description"> Calculates fractional excretion of magnesium (used to assess hypomagnesemia). </span></li><li><span class="atoz_list_text"> Fractional Excretion of Sodium </span><span class="atoz_list_description"> Calculates fractional excretion of sodium, helping to assess acute kidney injury. </span></li><li><span class="atoz_list_text"> Fractional Excretion of Sodium (SI units) </span><span class="atoz_list_description"> Calculates fractional excretion of sodium, helping to assess acute kidney injury. </span></li><li><span class="atoz_list_text"> Fracture Index WITH known Bone Mineral Density (BMD) </span><span class="atoz_list_description"> Calculates risk of fracture based on factors including bone mineral density. </span></li><li><span class="atoz_list_text"> Fracture Index WITHOUT known Bone Mineral Density (BMD) </span><span class="atoz_list_description"> Calculates risk of fracture based on factors not including bone mineral density. </span></li><li><span class="atoz_list_text"> Friedewald Equation for Low Density Lipoprotein (LDL-C) </span><span class="atoz_list_description"> Estimates concentration of LDL-C in plasma. </span></li><li><span class="atoz_list_text"> Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units) </span><span class="atoz_list_description"> Estimates concentration of LDL-C in plasma. </span></li><li><span class="atoz_list_text"> Functional Residual Capacity </span><span class="atoz_list_description"> Calculates functional residual capacity from sum of expiratory reserve and residual volume. </span></li></ol><h2 class="atoz_heading">G</h2><ol class="atoz_list"><li><span class="atoz_list_text"> GAD-7 Generalized Anxiety Disorder Scale </span><span class="atoz_list_description"> Screening tool to identify people who may have generalised anxiety disorder (GAD). </span></li><li><span class="atoz_list_text"> Genetically Inspired International Prognostic Scoring System (GIPSS) </span><span class="atoz_list_description"> Assesses risk and prognosis in myelofibrosis (includes genetic mutations). </span></li><li><span class="atoz_list_text"> Geriatric Depression 1 Item Screener </span><span class="atoz_list_description"> Assesses likelihood of depression in elderly patients, based on 1 question. </span></li><li><span class="atoz_list_text"> Geriatric Depression 4 Item Scale </span><span class="atoz_list_description"> Assesses likelihood of depression in elderly patients, based on 4 questions. </span></li><li><span class="atoz_list_text"> Geriatric Depression Scale </span><span class="atoz_list_description"> Assesses likelihood of depression in elderly patients. </span></li><li><span class="atoz_list_text"> Geriatric Depression Scale (30-item GDS) </span><span class="atoz_list_description"> Screening tool designed to identify symptoms of depression in older adults. </span></li><li><span class="atoz_list_text"> Geriatric-Sensitive Perioperative Cardiac Risk Index (GSCRI) </span><span class="atoz_list_description"> This calculator estimates the rate of perioperative myocardial infarction or cardiac arrest (MICA) in patients ≥65 years old. </span></li><li><span class="atoz_list_text"> Gestational Age from Estimated Date of Delivery (EDD) </span><span class="atoz_list_description"> Calculates gestational age based on estimated date of delivery. </span></li><li><span class="atoz_list_text"> Glasgow Alcoholic Hepatitis Score </span><span class="atoz_list_description"> Estimates mortality risk in patients with alcoholic hepatitis. </span></li><li><span class="atoz_list_text"> Glasgow Blatchford Score for Gastrointestinal Bleeding </span><span class="atoz_list_description"> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </span></li><li><span class="atoz_list_text"> Glasgow Coma Scale </span><span class="atoz_list_description"> Assessment of conscious level based on eye, verbal, and motor responses to stimuli. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by CKD-EPI Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by Quadratic Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by Schwartz Formula </span><span class="atoz_list_description"> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation (SI units) </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by the IDMS-Traceable MDRD Study Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by the MDRD Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by the MDRD Equation (SI units) </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate by Updated Schwartz Formula </span><span class="atoz_list_description"> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimate in African Americans by AASK Equation </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient&#39;s age and gender. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimation (eGFR) by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) Equation with Creatinine, without Race (2021) </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine and patient characteristics without a race variable. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine and Cystatin C, without Race (2021) </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine, cystatin C and patient characteristics without a race variable. </span></li><li><span class="atoz_list_text"> Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Cystatin C, without Race (2012) </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on cystatin C and patient characteristics without a race variable. </span></li><li><span class="atoz_list_text"> Glomerular filtration rate estimation (eGFR) by CKiD U25 equations with creatinine and/or cystatin C in children and adults ≤25 years old </span><span class="atoz_list_description"> Estimates glomerular filtration rate based on creatinine, cystatin C and patient characteristics in children and adults ages ≤25 years. </span></li><li><span class="atoz_list_text"> GRACE Score for Acute Coronary Syndrome Prognosis </span><span class="atoz_list_description"> Estimates mortality risk for patients with acute coronary syndrome. </span></li></ol><h2 class="atoz_heading">H</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Harvey-Bradshaw Index of Crohn&#39;s Disease Activity </span><span class="atoz_list_description"> Assessment of Crohn&#39;s disease activity including extraintestinal features. </span></li><li><span class="atoz_list_text"> HAS-BLED Bleeding Risk Score </span><span class="atoz_list_description"> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </span></li><li><span class="atoz_list_text"> Heart Failure Diagnosis </span><span class="atoz_list_description"> Clinical criteria for diagnosis of heart failure. </span></li><li><span class="atoz_list_text"> HEART Score </span><span class="atoz_list_description"> Incorporates elements of the patient&#39;s history, ECG, age, risk factors, and troponin and is used for patients in the accident and emergency department setting to assess risk of acute MI, PCI, CABG, and death within 6 weeks of initial presentation </span></li><li><span class="atoz_list_text"> Hepatitis C Outcome TreeCalc </span><span class="atoz_list_description"> Assesses risk of death, hepatocellular carcinoma, or liver transplantation in patients with hepatitis C. </span></li><li><span class="atoz_list_text"> Hepatitis Discriminant Function for Corticosteroid Therapy in Alcoholic Hepatitis </span><span class="atoz_list_description"> Score parameters including prothrombin time and bilirubin level. </span></li><li><span class="atoz_list_text"> HOMA Formula: Homeostasis Model Assessment of Insulin Resistance </span><span class="atoz_list_description"> Estimates severity of insulin resistance. </span></li></ol><h2 class="atoz_heading">I</h2><ol class="atoz_list"><li><span class="atoz_list_text"> In-Flight PaO2 Estimation </span><span class="atoz_list_description"> Predicts patient&#39;s PaO2 during flight. </span></li><li><span class="atoz_list_text"> In-Flight PaO2 Estimation (using PFT&#39;s) </span><span class="atoz_list_description"> Predicts patient&#39;s PaO2 during flight. </span></li><li><span class="atoz_list_text"> Injury Severity Score (ISS) </span><span class="atoz_list_description"> Assesses severity of traumatic injury. </span></li><li><span class="atoz_list_text"> International Prognostic Index for Non-Hodgkin Lymphoma </span><span class="atoz_list_description"> Prognostic score including age and stage. </span></li><li><span class="atoz_list_text"> International Prognostic Score in Hodgkin Lymphoma </span><span class="atoz_list_description"> Estimates freedom from progression and overall survival in patients with Hodgkin lymphoma. </span></li><li><span class="atoz_list_text"> International Prognostic Score in Hodgkin Lymphoma (2012 update) </span><span class="atoz_list_description"> Prognostic score including stage and laboratory features. </span></li><li><span class="atoz_list_text"> Intracranial Bleeding Risk from Thrombolytic Therapy of MI </span><span class="atoz_list_description"> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </span></li><li><span class="atoz_list_text"> Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria) </span><span class="atoz_list_description"> Diagnostic criteria for irritable bowel syndrome. </span></li></ol><h2 class="atoz_heading">J</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Jones Criteria for Diagnosis of Rheumatic Fever </span><span class="atoz_list_description"> Diagnostic criteria for rheumatic fever. </span></li></ol><h2 class="atoz_heading">K</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Karnofsky Performance Status Score </span><span class="atoz_list_description"> Assesses patient for functional impairment. </span></li><li><span class="atoz_list_text"> Kawasaki Disease Diagnostic Criteria </span><span class="atoz_list_description"> Diagnostic criteria for Kawasaki disease. </span></li><li><span class="atoz_list_text"> Kidney Failure Risk (KFRE) (8 variable) </span><span class="atoz_list_description"> Estimates risk of kidney failure incorporating coefficients representative of the North American cohort in Tangri et al (2016). Urine albumin to creatinine ratio expressed in mg/g. </span></li><li><span class="atoz_list_text"> Kt/V Dialysis Dose Daugirdas Formula </span><span class="atoz_list_description"> Quantifies adequacy of dialysis treatment. </span></li></ol><h2 class="atoz_heading">L</h2><ol class="atoz_list"><li><span class="atoz_list_text"> LACE Score Predicting Readmission or Post Hospitalization Death </span><span class="atoz_list_description"> Predicts 30-day readmission or death. </span></li><li><span class="atoz_list_text"> Likelihood Ratio MultiCalc </span><span class="atoz_list_description"> Estimates how much a test result will change the odds of having a disease. </span></li><li><span class="atoz_list_text"> Low anterior resection syndrome (LARS) score </span><span class="atoz_list_description"> Symptom-based scoring system for bowel dysfunction after low anterior resection (LAR) for rectal cancer. </span></li></ol><h2 class="atoz_heading">M</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Maintenance Fluid Calculation for Children </span><span class="atoz_list_description"> Calculates maintenance fluid requirements by weight. </span></li><li><span class="atoz_list_text"> Mangled Extremity Severity Score (MESS score) </span><span class="atoz_list_description"> Estimates viability of an extremity after trauma. </span></li><li><span class="atoz_list_text"> Mantle Cell Lymphoma International Prognostic Index (MIPI) </span><span class="atoz_list_description"> Estimates prognosis in mantle cell lymphoma. </span></li><li><span class="atoz_list_text"> Mayo score for assessing ulcerative colitis activity </span><span class="atoz_list_description"> Assesses severity of ulcerative colitis. </span></li><li><span class="atoz_list_text"> MDACC Myelodysplastic Syndrome Prognostic Model </span><span class="atoz_list_description"> A prognostic scoring system for myelodysplastic syndrome. </span></li><li><span class="atoz_list_text"> MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) </span><span class="atoz_list_description"> Quantifies end-stage liver disease for transplant planning. </span></li><li><span class="atoz_list_text"> MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units) </span><span class="atoz_list_description"> Quantifies end-stage liver disease for transplant planning. </span></li><li><span class="atoz_list_text"> MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) </span><span class="atoz_list_description"> Adds sodium to the MELD model for liver cirrhosis. </span></li><li><span class="atoz_list_text"> MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units) </span><span class="atoz_list_description"> Adds sodium to the MELD model for liver cirrhosis. </span></li><li><span class="atoz_list_text"> MELDNa Score (2016) </span><span class="atoz_list_description"> Quantifies end-stage liver disease. </span></li><li><span class="atoz_list_text"> MELDNa Score (2016) (SI units) </span><span class="atoz_list_description"> Quantifies end-stage liver disease. </span></li><li><span class="atoz_list_text"> Metabolic Syndrome Criteria (AACE 2003) </span><span class="atoz_list_description"> American Association of Clinical Endocrinologists calculator for metabolic syndrome. </span></li><li><span class="atoz_list_text"> Metabolic Syndrome Criteria (AHA/NHLBI 2005) </span><span class="atoz_list_description"> American Heart Association/National Heart, Lung and Blood Institute calculator for metabolic syndrome. </span></li><li><span class="atoz_list_text"> Metabolic Syndrome Criteria (EGIR) </span><span class="atoz_list_description"> European Group for the Study of Insulin Resistance calculator for metabolic syndrome. </span></li><li><span class="atoz_list_text"> Metabolic Syndrome Criteria (IDF 2005) </span><span class="atoz_list_description"> International Diabetes Federation calculator for metabolic syndrome. </span></li><li><span class="atoz_list_text"> Migraine Screener </span><span class="atoz_list_description"> Scores likelihood of migraine. </span></li><li><span class="atoz_list_text"> Migraine With Aura Diagnostic Criteria </span><span class="atoz_list_description"> Criteria for migraine with aura. </span></li><li><span class="atoz_list_text"> Migraine Without Aura Diagnostic Criteria </span><span class="atoz_list_description"> Criteria for migraine without aura. </span></li><li><span class="atoz_list_text"> Modified Maddrey&#39;s Discriminant Function </span><span class="atoz_list_description"> Suggests which patients with alcoholic hepatitis may benefit from corticosteroids. </span></li><li><span class="atoz_list_text"> Modified Wells score for deep vein thrombosis (DVT) </span><span class="atoz_list_description"> Calculates risk of DVT. </span></li><li><span class="atoz_list_text"> MODS Score: Multiple Organ Dysfunction </span><span class="atoz_list_description"> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </span></li><li><span class="atoz_list_text"> Multinational Association for Supportive Care in Cancer (MASCC) risk index for patients with neutropenic fever </span><span class="atoz_list_description"> Risk index for people with neutropenic fever. </span></li><li><span class="atoz_list_text"> Mutation and Karyotype-Enhanced International Prognostic Scoring System for Primary Myelofibrosis in adults 70 and younger (MIPSS70+ version 2.0) </span><span class="atoz_list_description"> Assesses risk and prognosis in primary myelofibrosis (includes genetic mutations). </span></li><li><span class="atoz_list_text"> Myelodysplastic Syndrome International Prognostic Scoring System </span><span class="atoz_list_description"> Prognostic assessment for myelodysplastic syndrome. </span></li></ol><h2 class="atoz_heading">N</h2><ol class="atoz_list"><li><span class="atoz_list_text"> NAFLD Fibrosis Score </span><span class="atoz_list_description"> Utilises age, hyperglycaemia, BMI, platelet count, albumin, and AST:ALT ratio (AAR) to predict patients with advanced liver fibrosis </span></li><li><span class="atoz_list_text"> Nasal Canula Oxygen Fractional Inspired O2 (FIO2) Estimate </span><span class="atoz_list_description"> Estimates fraction of inspired oxygen using oxygen flow rate and percent. </span></li><li><span class="atoz_list_text"> Negative Predictive Value of a Test </span><span class="atoz_list_description"> Probability with a negative screening test of not having the disease. </span></li><li><span class="atoz_list_text"> New Orleans Head CT Criteria </span><span class="atoz_list_description"> Criteria for head CT after head trauma. </span></li><li><span class="atoz_list_text"> Newborn Hyperbilirubinemia Assessment </span><span class="atoz_list_description"> Assessment including infant age, bilirubin level, and clinical risk group. </span></li><li><span class="atoz_list_text"> NIH Chronic Prostatitis Symptom Index </span><span class="atoz_list_description"> Assesses symptom severity in men with chronic prostatitis/chronic pelvic pain syndrome. </span></li><li><span class="atoz_list_text"> NIH Stroke Score </span><span class="atoz_list_description"> Quantifies stroke severity based on multiple neurologic factors. </span></li><li><span class="atoz_list_text"> Norton Scale to Stratify Risk of Pressure Sores </span><span class="atoz_list_description"> Assessment scale for risk of pressure ulcers. </span></li></ol><h2 class="atoz_heading">O</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Odds Ratio and Relative Risk </span><span class="atoz_list_description"> Calculates odds ratio and relative risk. </span></li><li><span class="atoz_list_text"> ORBIT Bleeding Risk Score </span><span class="atoz_list_description"> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </span></li><li><span class="atoz_list_text"> Osmolal Gap Calculator </span><span class="atoz_list_description"> Calculates osmolal gap to detect unmeasured compounds in serum. </span></li><li><span class="atoz_list_text"> Osmolal Gap Calculator (SI units) </span><span class="atoz_list_description"> Calculates osmolal gap to detect unmeasured compounds in serum (SI units). </span></li><li><span class="atoz_list_text"> Osmolality Estimator (serum) </span><span class="atoz_list_description"> Estimates serum osmolality with sodium, glucose, and BUN. </span></li><li><span class="atoz_list_text"> Osmolar Clearance </span><span class="atoz_list_description"> Calculates renal osmolar clearance using urine/serum Osm and urine volume per day. </span></li><li><span class="atoz_list_text"> Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score) </span><span class="atoz_list_description"> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </span></li><li><span class="atoz_list_text"> Osteoporosis Risk Assessment Index (ORAI) </span><span class="atoz_list_description"> Osteoporosis risk assessment index (age, body weight). </span></li><li><span class="atoz_list_text"> Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation) </span><span class="atoz_list_description"> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </span></li><li><span class="atoz_list_text"> Oswestry Disability Index Version 1 </span><span class="atoz_list_description"> Disability index for low back pain based on questions in 10 areas of function. </span></li><li><span class="atoz_list_text"> Oswestry Disability Index Version 2 </span><span class="atoz_list_description"> Disability index for low back pain based on questions in 10 areas of function. </span></li><li><span class="atoz_list_text"> Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury </span><span class="atoz_list_description"> Describes criteria for ankle trauma patients to determine need for imaging. </span></li><li><span class="atoz_list_text"> Ottawa Foot Rule for the Use of X-Ray in Foot Injury </span><span class="atoz_list_description"> Describes criteria for foot trauma patients to determine need for imaging. </span></li><li><span class="atoz_list_text"> Ottawa Knee Rule for use of X Ray in Knee Injury </span><span class="atoz_list_description"> Describes criteria for knee trauma patients to determine need for imaging. </span></li></ol><h2 class="atoz_heading">P</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients </span><span class="atoz_list_description"> Determines need for VTE prophylaxis in hospitalized patients. </span></li><li><span class="atoz_list_text"> Palliative Prognostic Score in Terminal Illness </span><span class="atoz_list_description"> 30-day probability of survival in terminal illness. </span></li><li><span class="atoz_list_text"> Pancreatitis Prognosis Criteria </span><span class="atoz_list_description"> Mortality scale for acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </span></li><li><span class="atoz_list_text"> Pancreatitis Prognosis Criteria When Disease Due To Gallstones </span><span class="atoz_list_description"> Mortality scale for gallstone-related acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </span></li><li><span class="atoz_list_text"> Panic Disorder Screener </span><span class="atoz_list_description"> Likelihood of panic disorder based on features over last 6 months. </span></li><li><span class="atoz_list_text"> PASI Psoriasis Area and Severity Index </span><span class="atoz_list_description"> Severity index for psoriasis based on surface area, erythema, induration, desquamation. </span></li><li><span class="atoz_list_text"> Peak Expiratory Flow Prediction </span><span class="atoz_list_description"> Predicts peak expiratory flow based on height and age. </span></li><li><span class="atoz_list_text"> PELD Score for End-Stage Liver Disease (patients less than 12 years old) </span><span class="atoz_list_description"> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </span></li><li><span class="atoz_list_text"> PERC Rule for the Assessment of Possible Pulmonary Embolism </span><span class="atoz_list_description"> Rules out PE if no criteria are present and pre-test probability is less than or equal to 15%. </span></li><li><span class="atoz_list_text"> Pneumothorax Degree of Collapse </span><span class="atoz_list_description"> Calculates pneumothorax volume (%) using lung and hemithorax diameters. </span></li><li><span class="atoz_list_text"> Polycythemia Vera Diagnostic Criteria </span><span class="atoz_list_description"> Criteria for polycythemia vera including splenomegaly and laboratory features. </span></li><li><span class="atoz_list_text"> Positive Predictive Value of a Test </span><span class="atoz_list_description"> Probability with a positive screening test of having the disease. </span></li><li><span class="atoz_list_text"> Post Test Probability from Pre Test Probability, Sensitivity and Specificity </span><span class="atoz_list_description"> Post-test probability calculator for having a disease. </span></li><li><span class="atoz_list_text"> Post-Test Probability from Likelihood Ratios and Multiple Test Results </span><span class="atoz_list_description"> Post-test probability calculator for having a disease. </span></li><li><span class="atoz_list_text"> Predicted postoperative FEV1 following lung resection surgery (anatomic method) </span><span class="atoz_list_description"> Predicted postoperative FEV1 after lung resection using lung anatomy. </span></li><li><span class="atoz_list_text"> Predicted postoperative FEV1 following lung resection surgery (perfusion method) </span><span class="atoz_list_description"> Predicted postoperative FEV1 after lung resection using perfusion scan. </span></li><li><span class="atoz_list_text"> Pretest Probability of Heparin Induced Thrombocytopenia (4-T&#39;s score) </span><span class="atoz_list_description"> Assesses the risk for heparin-induced thrombocytopenia. </span></li><li><span class="atoz_list_text"> Pulmonary Embolism Risk by Pisa Study (with chest x-ray) </span><span class="atoz_list_description"> Risk score for pulmonary embolism (age, gender, risk factors) including chest x-ray. </span></li><li><span class="atoz_list_text"> Pulmonary Embolism Risk by Pisa Study (without chest x-ray) </span><span class="atoz_list_description"> Risk score for pulmonary embolism (age, gender, risk factors) excluding chest x-ray. </span></li><li><span class="atoz_list_text"> Pulmonary Embolism Severity Index (PESI) </span><span class="atoz_list_description"> Stratifies severity of pulmonary embolism from very low to very high risk. </span></li><li><span class="atoz_list_text"> Pulmonary Embolism Wells Score </span><span class="atoz_list_description"> Calculates probability of pulmonary embolism. </span></li></ol><h2 class="atoz_heading">Q</h2><ol class="atoz_list"><li><span class="atoz_list_text"> QT Interval Correction (EKG) </span><span class="atoz_list_description"> Corrects QT interval for heart rate. </span></li></ol><h2 class="atoz_heading">R</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Residual Renal Function in Hemodialysis Patients (Kru) </span><span class="atoz_list_description"> Residual kidney function for people receiving hemodialysis. </span></li><li><span class="atoz_list_text"> Revised Geneva Score for Estimation of the Clinical Probability of Pulmonary Embolism in Adults </span><span class="atoz_list_description"> Calculates probability of pulmonary embolism based solely on clinical variables and independent from subjective judgement. </span></li><li><span class="atoz_list_text"> Rheumatoid arthritis Clinical Disease Activity Index (CDAI) </span><span class="atoz_list_description"> Disease activity scoring system for rheumatoid arthritis. </span></li><li><span class="atoz_list_text"> Rheumatoid arthritis Disease Activity Score with C-reactive protein (DAS28-CRP) </span><span class="atoz_list_description"> Determines severity of rheumatoid arthritis using clinical data and CRP. </span></li><li><span class="atoz_list_text"> Rheumatoid arthritis Disease Activity Score with Erythrocyte Sedimentation Rate (DAS28-ESR) </span><span class="atoz_list_description"> Determines severity of rheumatoid arthritis using clinical data and ESR. </span></li><li><span class="atoz_list_text"> Rheumatoid arthritis Simplified Disease Activity Index (SDAI) </span><span class="atoz_list_description"> Determines severity of rheumatoid arthritis using clinical and laboratory data. </span></li><li><span class="atoz_list_text"> Right to Left Shunt Fraction Qs/Qt </span><span class="atoz_list_description"> Right to left shunt fraction (Qs/Qt) calculator using temperature, altitude, paCO2, and paO2. </span></li><li><span class="atoz_list_text"> Risk Reduction / Number Needed to Treat Multicalc </span><span class="atoz_list_description"> Calculates risk reduction/number needed to treat. </span></li><li><span class="atoz_list_text"> Rockall Score for Upper Gastrointestinal Bleeding </span><span class="atoz_list_description"> Determines severity of GI bleeding. </span></li><li><span class="atoz_list_text"> Roland-Morris Disability Score </span><span class="atoz_list_description"> Scoring for physical disability caused by low back pain. </span></li><li><span class="atoz_list_text"> ROSE score: risk stratification of syncope in the emergency department </span><span class="atoz_list_description"> Assesses 1-month risk of serious outcomes or death in syncope patients in the emergency department. </span></li><li><span class="atoz_list_text"> Rotator Cuff Tear Diagnosis </span><span class="atoz_list_description"> Probability of rotator cuff tear based on physical findings. </span></li></ol><h2 class="atoz_heading">S</h2><ol class="atoz_list"><li><span class="atoz_list_text"> San Francisco Syncope Rule TreeCalc </span><span class="atoz_list_description"> Assesses 7-day risk of serious outcomes in patients with syncope or near-syncope. </span></li><li><span class="atoz_list_text"> Sequential Organ Failure Assessment (Quick): qSOFA Score </span><span class="atoz_list_description"> Bedside clinical assessment to detect risk of deterioration due to sepsis. </span></li><li><span class="atoz_list_text"> Sequential Organ Failure Assessment: SOFA Score </span><span class="atoz_list_description"> Predicts ICU mortality using clinical and laboratory data. </span></li><li><span class="atoz_list_text"> SI unit to conventional unit conversions: Chemistry and endocrine tests </span><span class="atoz_list_description"> SI unit conversions for chemistries and endocrine tests. </span></li><li><span class="atoz_list_text"> SI unit to conventional unit conversions: Immunology test values </span><span class="atoz_list_description"> Unit conversions for immunology tests. </span></li><li><span class="atoz_list_text"> Simplified Pulmonary Embolism Severity Index (sPESI) </span><span class="atoz_list_description"> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </span></li><li><span class="atoz_list_text"> Sodium Correction in Hyperglycemia (Hillier 1999) </span><span class="atoz_list_description"> Determines if true hyponatremia is present in a patient with hyperglycemia. </span></li><li><span class="atoz_list_text"> Sokal score for chronic myeloid leukemia </span><span class="atoz_list_description"> Estimates survival in patients with chronic myeloid leukaemia. </span></li><li><span class="atoz_list_text"> Sore Throat (Pharyngitis) Evaluation and Treatment Criteria (McIsaac) </span><span class="atoz_list_description"> Scoring system for sore throat including clinical features such as age, fever, lymphadenopathy or exudate. </span></li><li><span class="atoz_list_text"> Standard Drink Equivalents </span><span class="atoz_list_description"> Alcohol drink equivalents. </span></li><li><span class="atoz_list_text"> Stool Osmolal Gap </span><span class="atoz_list_description"> Determines if chronic diarrhea is osmotic or secretory. </span></li><li><span class="atoz_list_text"> Stroke Risk in Diabetes Type 2 UKPDS 60 </span><span class="atoz_list_description"> Models chance of a first stroke in type 2 diabetes using risk factors. </span></li><li><span class="atoz_list_text"> Stroke Risk in Female Patients 55-84 Years Old (Framingham data) </span><span class="atoz_list_description"> Stroke risk for women. </span></li><li><span class="atoz_list_text"> Stroke Risk in Male Patients 55-84 Years Old (Framingham data) </span><span class="atoz_list_description"> Stroke risk for men. </span></li><li><span class="atoz_list_text"> Systemic Vascular Resistance </span><span class="atoz_list_description"> Calculates systemic vascular resistance using cardiologic parameters. </span></li></ol><h2 class="atoz_heading">T</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Temperature Unit Conversions </span><span class="atoz_list_description"> Temperature converter: Celsius, Fahrenheit, Kelvin. </span></li><li><span class="atoz_list_text"> Thrombolysis in Myocardial Infarction (TIMI) Score for ST Elevation Acute Myocardial Infarction </span><span class="atoz_list_description"> Estimates mortality in patients with STEMI. </span></li><li><span class="atoz_list_text"> Thrombolysis in Myocardial Infarction (TIMI) Score for Unstable Angina Non ST Elevation Myocardial Infarction </span><span class="atoz_list_description"> Estimates mortality in patients with unstable angina or NSTEMI. </span></li><li><span class="atoz_list_text"> TIA Prognosis: Risk of Stroke by 90 Days After Presentation </span><span class="atoz_list_description"> Approximate 90-day risk of stroke following TIA. </span></li></ol><h2 class="atoz_heading">U</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Urine anion gap </span><span class="atoz_list_description"> Aids in identifying causes of metabolic acidosis where there is no serum anion gap. </span></li></ol><h2 class="atoz_heading">V</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Venous Leg Ulcer Healing Prediction </span><span class="atoz_list_description"> Score for venous leg ulcer healing in 24 weeks based on duration and area. </span></li></ol><h2 class="atoz_heading">W</h2><ol class="atoz_list"><li><span class="atoz_list_text"> Weight Unit Conversions </span><span class="atoz_list_description"> International weight conversions. </span></li><li><span class="atoz_list_text"> WHO Assessment of Malnutrition in Boys 2 to 5 years Old </span><span class="atoz_list_description"> WHO score for malnutrition based on age, height and weight. </span></li><li><span class="atoz_list_text"> WHO Assessment of Malnutrition in Girls 2 to 5 years Old </span><span class="atoz_list_description"> WHO score for malnutrition based on age, height and weight. </span></li><li><span class="atoz_list_text"> WHO infant head circumference for age percentiles (&lt;24 months) </span><span class="atoz_list_description"> WHO head circumference percentiles birth to 24 months. </span></li><li><span class="atoz_list_text"> WHO Infant Length for Age Percentiles (&lt;24 months) </span><span class="atoz_list_description"> WHO growth chart: length for age percentiles birth to 24 months. </span></li><li><span class="atoz_list_text"> WHO Infant Weight for Age Percentiles (&lt;24 months) </span><span class="atoz_list_description"> WHO growth chart: weight for age percentiles birth to 24 months. </span></li><li><span class="atoz_list_text"> WHO infant weight for length percentiles (&lt;24 months) </span><span class="atoz_list_description"> WHO growth chart: weight for length percentiles birth to 24 months. </span></li></ol><div class="no-result--suggest"><p>Suggestions to help with your search:</p><ul><li>Make sure all words are spelled correctly</li><li>Try different keywords</li><li>Try more general keywords</li></ul></div></bp-content-filter><script type="module" src="/gzip_ac9a73e641b9a1da07ff091eb4fb338a/js/dist/bp-content-filter.js" ></script> </div><div id="bySpecialty" class="card-block tab-pane" role="tabpanel" aria-multiselectable="true"><div class="card-header" role="tab" id="heading1"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse1" aria-expanded="true" aria-controls="collapse1">Anaesthesia</a></h5></div><div id="collapse1" class="collapse" role="tabpanel" aria-labelledby="heading1"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Cardiac output</span> Calculates cardiac output. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Non-AAA Vascular Surgery (Lee)</span> Estimates risk of cardiac complications following vascular surgery (non-abdominal aortic aneurysm). </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Orthopedic Surgery (Lee)</span> Estimates risk of cardiac complications following orthopedic surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Detsky et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Goldman, et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">EuroSCORE for Cardiac Surgery Risk Assessment (additive version)</span> Calculates risk of mortality in patients undergoing cardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Right to Left Shunt Fraction Qs/Qt</span> Right to left shunt fraction (Qs/Qt) calculator using temperature, altitude, paCO2, and paO2. </p></div></div><div class="card-header" role="tab" id="heading2"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse2" aria-expanded="true" aria-controls="collapse2">Anthropometrics</a></h5></div><div id="collapse2" class="collapse" role="tabpanel" aria-labelledby="heading2"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO infant head circumference for age percentiles (&lt;24 months)</span> WHO head circumference percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Length for Age Percentiles (&lt;24 months)</span> WHO growth chart: length for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO infant weight for length percentiles (&lt;24 months)</span> WHO growth chart: weight for length percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading3"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse3" aria-expanded="true" aria-controls="collapse3">Cardiology</a></h5></div><div id="collapse3" class="collapse" role="tabpanel" aria-labelledby="heading3"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features</span> Estimates risk of acute heart failure. </p><p class="mt-0"><span class="calcSpec-title">Atrial fibrillation CHADS(2) score for stroke risk</span> Estimates risk of stroke in patients with atrial fibrillation. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Non-AAA Vascular Surgery (Lee)</span> Estimates risk of cardiac complications following vascular surgery (non-abdominal aortic aneurysm). </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Orthopedic Surgery (Lee)</span> Estimates risk of cardiac complications following orthopedic surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Detsky et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Goldman, et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment (10-year, ACC/AHA 2013)</span> Estimates 10-year risk of cardiovascular disease based on key risk factors. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular risk assessment (10-year, MESA 2015, with or without CAC score)</span> Ten-year cardiovascular risk assessment with or without coronary artery calcification score. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment (10-year, PROCAM Score, Munster Heart Study SI units)</span> Ten-year cardiovascular risk score based on Munster study with cholesterol levels in SI units. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment (10-year, PROCAM Score, Munster Heart Study)</span> Ten-year cardiovascular risk score based on Munster study with cholesterol levels in mg/dL. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment in Men (10-year, patient information, Framingham 2008)</span> Cardiovascular risk score that includes patient information for men. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment in Men (10-year, Reynolds Risk Score 2008)</span> Ten-year cardiovascular risk score that includes C-reactive protein as well as other criteria. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment in Type I Diabetes (5-year)</span> Estimates 5-year risk of cardiovascular disease in patients with type I diabetes. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment in Women (10-year, patient information, Framingham 2008)</span> Cardiovascular risk score that includes patient information for women. </p><p class="mt-0"><span class="calcSpec-title">Endocarditis Diagnostic Criteria -- Duke Criteria</span> Pathological and major/minor clinical criteria for endocarditis. </p><p class="mt-0"><span class="calcSpec-title">Endocarditis Diagnostic Criteria -- Modified Duke Criteria</span> Updated clinicopathological criteria for endocarditis. </p><p class="mt-0"><span class="calcSpec-title">EuroSCORE for Cardiac Surgery Risk Assessment (additive version)</span> Calculates risk of mortality in patients undergoing cardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">GRACE Score for Acute Coronary Syndrome Prognosis</span> Estimates mortality risk for patients with acute coronary syndrome. </p><p class="mt-0"><span class="calcSpec-title">HAS-BLED Bleeding Risk Score</span> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Heart Failure Diagnosis</span> Clinical criteria for diagnosis of heart failure. </p><p class="mt-0"><span class="calcSpec-title">Intracranial Bleeding Risk from Thrombolytic Therapy of MI</span> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </p><p class="mt-0"><span class="calcSpec-title">Jones Criteria for Diagnosis of Rheumatic Fever</span> Diagnostic criteria for rheumatic fever. </p><p class="mt-0"><span class="calcSpec-title">Kawasaki Disease Diagnostic Criteria</span> Diagnostic criteria for Kawasaki disease. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (AACE 2003)</span> American Association of Clinical Endocrinologists calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (AHA/NHLBI 2005)</span> American Heart Association/National Heart, Lung and Blood Institute calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (EGIR)</span> European Group for the Study of Insulin Resistance calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (IDF 2005)</span> International Diabetes Federation calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">ORBIT Bleeding Risk Score</span> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients</span> Determines need for VTE prophylaxis in hospitalized patients. </p><p class="mt-0"><span class="calcSpec-title">Panic Disorder Screener</span> Likelihood of panic disorder based on features over last 6 months. </p><p class="mt-0"><span class="calcSpec-title">QT Interval Correction (EKG)</span> Corrects QT interval for heart rate. </p><p class="mt-0"><span class="calcSpec-title">Right to Left Shunt Fraction Qs/Qt</span> Right to left shunt fraction (Qs/Qt) calculator using temperature, altitude, paCO2, and paO2. </p><p class="mt-0"><span class="calcSpec-title">ROSE score: risk stratification of syncope in the emergency department</span> Assesses 1-month risk of serious outcomes or death in syncope patients in the emergency department. </p><p class="mt-0"><span class="calcSpec-title">San Francisco Syncope Rule TreeCalc</span> Assesses 7-day risk of serious outcomes in patients with syncope or near-syncope. </p><p class="mt-0"><span class="calcSpec-title">Sequential Organ Failure Assessment: SOFA Score</span> Predicts ICU mortality using clinical and laboratory data. </p><p class="mt-0"><span class="calcSpec-title">Simplified Pulmonary Embolism Severity Index (sPESI)</span> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </p><p class="mt-0"><span class="calcSpec-title">Systemic Vascular Resistance</span> Calculates systemic vascular resistance using cardiologic parameters. </p><p class="mt-0"><span class="calcSpec-title">Thrombolysis in Myocardial Infarction (TIMI) Score for ST Elevation Acute Myocardial Infarction</span> Estimates mortality in patients with STEMI. </p><p class="mt-0"><span class="calcSpec-title">Thrombolysis in Myocardial Infarction (TIMI) Score for Unstable Angina Non ST Elevation Myocardial Infarction</span> Estimates mortality in patients with unstable angina or NSTEMI. </p></div></div><div class="card-header" role="tab" id="heading4"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse4" aria-expanded="true" aria-controls="collapse4">Critical Care</a></h5></div><div id="collapse4" class="collapse" role="tabpanel" aria-labelledby="heading4"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">A-a Gradient</span> Calculates difference between alveolar and arterial oxygen concentration. </p><p class="mt-0"><span class="calcSpec-title">APACHE II scoring system</span> Estimates ICU mortality. </p><p class="mt-0"><span class="calcSpec-title">BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD</span> Predicts risk of mortality and need for mechanical ventilation in acute exacerbations of COPD. </p><p class="mt-0"><span class="calcSpec-title">Base Excess Determination</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Bedside Index of Severity in Acute Pancreatitis (BISAP) Score</span> Predicts risk of mortality in acute pancreatitis. </p><p class="mt-0"><span class="calcSpec-title">Blatchford score for gastrointestinal bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">Blood Ethanol Concentration Estimation</span> Estimates blood ethanol concentration. </p><p class="mt-0"><span class="calcSpec-title">BODE Index for COPD Survival Prediction</span> Estimates prognosis in patients with COPD based on body mass index, airflow obstruction, dyspnea, and exercise. </p><p class="mt-0"><span class="calcSpec-title">Cardiac output</span> Calculates cardiac output. </p><p class="mt-0"><span class="calcSpec-title">Clinical Grading to Predict Malignant Hyperthermia</span> Historical, clinical and laboratory features to assess malignant hyperthermia. </p><p class="mt-0"><span class="calcSpec-title">Clinical Pulmonary Infection Score (CPIS)</span> Aids in early diagnosis and treatment of ventilator-associated pneumonia. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">EuroSCORE for Cardiac Surgery Risk Assessment (additive version)</span> Calculates risk of mortality in patients undergoing cardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Alcoholic Hepatitis Score</span> Estimates mortality risk in patients with alcoholic hepatitis. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Blatchford Score for Gastrointestinal Bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">GRACE Score for Acute Coronary Syndrome Prognosis</span> Estimates mortality risk for patients with acute coronary syndrome. </p><p class="mt-0"><span class="calcSpec-title">HAS-BLED Bleeding Risk Score</span> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Heart Failure Diagnosis</span> Clinical criteria for diagnosis of heart failure. </p><p class="mt-0"><span class="calcSpec-title">Injury Severity Score (ISS)</span> Assesses severity of traumatic injury. </p><p class="mt-0"><span class="calcSpec-title">Intracranial Bleeding Risk from Thrombolytic Therapy of MI</span> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </p><p class="mt-0"><span class="calcSpec-title">Maintenance Fluid Calculation for Children</span> Calculates maintenance fluid requirements by weight. </p><p class="mt-0"><span class="calcSpec-title">Mangled Extremity Severity Score (MESS score)</span> Estimates viability of an extremity after trauma. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016) (SI units)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">MODS Score: Multiple Organ Dysfunction</span> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </p><p class="mt-0"><span class="calcSpec-title">NIH Stroke Score</span> Quantifies stroke severity based on multiple neurologic factors. </p><p class="mt-0"><span class="calcSpec-title">ORBIT Bleeding Risk Score</span> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Osmolality Estimator (serum)</span> Estimates serum osmolality with sodium, glucose, and BUN. </p><p class="mt-0"><span class="calcSpec-title">Palliative Prognostic Score in Terminal Illness</span> 30-day probability of survival in terminal illness. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria</span> Mortality scale for acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria When Disease Due To Gallstones</span> Mortality scale for gallstone-related acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">PELD Score for End-Stage Liver Disease (patients less than 12 years old)</span> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </p><p class="mt-0"><span class="calcSpec-title">Pneumothorax Degree of Collapse</span> Calculates pneumothorax volume (%) using lung and hemithorax diameters. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (with chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) including chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (without chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) excluding chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Severity Index (PESI)</span> Stratifies severity of pulmonary embolism from very low to very high risk. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Wells Score</span> Calculates probability of pulmonary embolism. </p><p class="mt-0"><span class="calcSpec-title">Right to Left Shunt Fraction Qs/Qt</span> Right to left shunt fraction (Qs/Qt) calculator using temperature, altitude, paCO2, and paO2. </p><p class="mt-0"><span class="calcSpec-title">Rockall Score for Upper Gastrointestinal Bleeding</span> Determines severity of GI bleeding. </p><p class="mt-0"><span class="calcSpec-title">Sequential Organ Failure Assessment (Quick): qSOFA Score</span> Bedside clinical assessment to detect risk of deterioration due to sepsis. </p><p class="mt-0"><span class="calcSpec-title">Sequential Organ Failure Assessment: SOFA Score</span> Predicts ICU mortality using clinical and laboratory data. </p><p class="mt-0"><span class="calcSpec-title">Simplified Pulmonary Embolism Severity Index (sPESI)</span> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </p><p class="mt-0"><span class="calcSpec-title">Sodium Correction in Hyperglycemia (Hillier 1999)</span> Determines if true hyponatremia is present in a patient with hyperglycemia. </p><p class="mt-0"><span class="calcSpec-title">Thrombolysis in Myocardial Infarction (TIMI) Score for ST Elevation Acute Myocardial Infarction</span> Estimates mortality in patients with STEMI. </p><p class="mt-0"><span class="calcSpec-title">Thrombolysis in Myocardial Infarction (TIMI) Score for Unstable Angina Non ST Elevation Myocardial Infarction</span> Estimates mortality in patients with unstable angina or NSTEMI. </p></div></div><div class="card-header" role="tab" id="heading5"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse5" aria-expanded="true" aria-controls="collapse5">Dermatology</a></h5></div><div id="collapse5" class="collapse" role="tabpanel" aria-labelledby="heading5"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Kawasaki Disease Diagnostic Criteria</span> Diagnostic criteria for Kawasaki disease. </p><p class="mt-0"><span class="calcSpec-title">Norton Scale to Stratify Risk of Pressure Sores</span> Assessment scale for risk of pressure ulcers. </p><p class="mt-0"><span class="calcSpec-title">PASI Psoriasis Area and Severity Index</span> Severity index for psoriasis based on surface area, erythema, induration, desquamation. </p></div></div><div class="card-header" role="tab" id="heading6"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse6" aria-expanded="true" aria-controls="collapse6">Emergency medicine</a></h5></div><div id="collapse6" class="collapse" role="tabpanel" aria-labelledby="heading6"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">ABCD2 Score to Predict Stroke Risk after TIA</span> Estimates the risk of stroke following transient ischemic attack. </p><p class="mt-0"><span class="calcSpec-title">Acetaminophen (Paracetamol) Toxicity Assessment (Original, 1975)</span> Calculator to guide management following a single acetaminophen (paracetamol) ingestion, based on time since ingestion and blood acetaminophen level, using the original 1975 Rumack and Matthew calculation. </p><p class="mt-0"><span class="calcSpec-title">Acetaminophen (Paracetamol) Toxicity Assessment (Revised 2023)</span> Calculator to guide management following a single acetaminophen (paracetamol) ingestion, based on time since ingestion and blood acetaminophen level, using the 2023 revision of the Rumack and Matthew calculation. </p><p class="mt-0"><span class="calcSpec-title">Acute Heart Failure Prediction Based on NT-proBNP and Clinical Features</span> Estimates risk of acute heart failure. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap</span> Aids in identifying causes of metabolic acidosis. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap Delta Delta Gradient Multicalc</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap Delta Delta Ratio Multicalc</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD</span> Predicts risk of mortality and need for mechanical ventilation in acute exacerbations of COPD. </p><p class="mt-0"><span class="calcSpec-title">Blood Ethanol Concentration Estimation</span> Estimates blood ethanol concentration. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Brooke estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Demling dextran estimate)</span> Estimates colloid fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Evans estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Slater estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)</span> Often used to estimate fluid requirements in adults following major burn injury. </p><p class="mt-0"><span class="calcSpec-title">Canadian Head CT Rule for Minor Head Injury</span> Assesses which patients with minor head injury need CT scan. </p><p class="mt-0"><span class="calcSpec-title">CIWA-Ar Clinical Institute Withdrawal Assessment for Alcohol scale</span> Measures severity of alcohol withdrawal syndrome. </p><p class="mt-0"><span class="calcSpec-title">Clinical Grading to Predict Malignant Hyperthermia</span> Historical, clinical and laboratory features to assess malignant hyperthermia. </p><p class="mt-0"><span class="calcSpec-title">Community-acquired pneumonia severity index (PSI) for adults</span> Estimates risk of mortality in patients with community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Blatchford Score for Gastrointestinal Bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">HAS-BLED Bleeding Risk Score</span> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Heart Failure Diagnosis</span> Clinical criteria for diagnosis of heart failure. </p><p class="mt-0"><span class="calcSpec-title">Intracranial Bleeding Risk from Thrombolytic Therapy of MI</span> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </p><p class="mt-0"><span class="calcSpec-title">Migraine Screener</span> Scores likelihood of migraine. </p><p class="mt-0"><span class="calcSpec-title">Migraine With Aura Diagnostic Criteria</span> Criteria for migraine with aura. </p><p class="mt-0"><span class="calcSpec-title">Migraine Without Aura Diagnostic Criteria</span> Criteria for migraine without aura. </p><p class="mt-0"><span class="calcSpec-title">New Orleans Head CT Criteria</span> Criteria for head CT after head trauma. </p><p class="mt-0"><span class="calcSpec-title">ORBIT Bleeding Risk Score</span> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury</span> Describes criteria for ankle trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Foot Rule for the Use of X-Ray in Foot Injury</span> Describes criteria for foot trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Panic Disorder Screener</span> Likelihood of panic disorder based on features over last 6 months. </p><p class="mt-0"><span class="calcSpec-title">PERC Rule for the Assessment of Possible Pulmonary Embolism</span> Rules out PE if no criteria are present and pre-test probability is less than or equal to 15%. </p><p class="mt-0"><span class="calcSpec-title">Pneumothorax Degree of Collapse</span> Calculates pneumothorax volume (%) using lung and hemithorax diameters. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Severity Index (PESI)</span> Stratifies severity of pulmonary embolism from very low to very high risk. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Wells Score</span> Calculates probability of pulmonary embolism. </p><p class="mt-0"><span class="calcSpec-title">QT Interval Correction (EKG)</span> Corrects QT interval for heart rate. </p><p class="mt-0"><span class="calcSpec-title">Revised Geneva Score for Estimation of the Clinical Probability of Pulmonary Embolism in Adults</span> Calculates probability of pulmonary embolism based solely on clinical variables and independent from subjective judgement. </p><p class="mt-0"><span class="calcSpec-title">Sequential Organ Failure Assessment: SOFA Score</span> Predicts ICU mortality using clinical and laboratory data. </p><p class="mt-0"><span class="calcSpec-title">Simplified Pulmonary Embolism Severity Index (sPESI)</span> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </p><p class="mt-0"><span class="calcSpec-title">Sodium Correction in Hyperglycemia (Hillier 1999)</span> Determines if true hyponatremia is present in a patient with hyperglycemia. </p><p class="mt-0"><span class="calcSpec-title">TIA Prognosis: Risk of Stroke by 90 Days After Presentation</span> Approximate 90-day risk of stroke following TIA. </p><p class="mt-0"><span class="calcSpec-title">Urine anion gap</span> Aids in identifying causes of metabolic acidosis where there is no serum anion gap. </p></div></div><div class="card-header" role="tab" id="heading7"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse7" aria-expanded="true" aria-controls="collapse7">Endocrinology</a></h5></div><div id="collapse7" class="collapse" role="tabpanel" aria-labelledby="heading7"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Calcium Correction in Hypoalbuminemia</span> Calculates corrected calcium level for patients with hypoalbuminemia. </p><p class="mt-0"><span class="calcSpec-title">Calcium Correction in Hypoalbuminemia (SI units)</span> Calculates corrected calcium level for patients with hypoalbuminemia. </p><p class="mt-0"><span class="calcSpec-title">Cirrhosis probability in hepatitis C (FIB-4)</span> Calculates FIB-4 index which is a non-invasive method of screening for clinically significant hepatic fibrosis secondary to metabolic dysfunction-associated steatotic liver disease (MASLD) </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimation (eGFR) by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) Equation with Creatinine, without Race (2021)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics without a race variable. </p><p class="mt-0"><span class="calcSpec-title">HOMA Formula: Homeostasis Model Assessment of Insulin Resistance</span> Estimates severity of insulin resistance. </p><p class="mt-0"><span class="calcSpec-title">NAFLD Fibrosis Score</span> Utilises age, hyperglycaemia, BMI, platelet count, albumin, and AST:ALT ratio (AAR) to predict patients with advanced liver fibrosis </p><p class="mt-0"><span class="calcSpec-title">Sodium Correction in Hyperglycemia (Hillier 1999)</span> Determines if true hyponatremia is present in a patient with hyperglycemia. </p><p class="mt-0"><span class="calcSpec-title">Stroke Risk in Diabetes Type 2 UKPDS 60</span> Models chance of a first stroke in type 2 diabetes using risk factors. </p></div></div><div class="card-header" role="tab" id="heading8"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse8" aria-expanded="true" aria-controls="collapse8">Epidemiology</a></h5></div><div id="collapse8" class="collapse" role="tabpanel" aria-labelledby="heading8"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Bayesian Statistics I MultiCalc</span> Calculates statistics from prevalence, sensitivity, and specificity. </p><p class="mt-0"><span class="calcSpec-title">Bayesian Statistics II MultiCalc</span> Calculates statistics from true and false positives and negatives. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Cardiovascular Risk Assessment (10-year, ACC/AHA 2013)</span> Estimates 10-year risk of cardiovascular disease based on key risk factors. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate in African Americans by AASK Equation</span> Estimates glomerular filtration rate based on creatinine and patient&#39;s age and gender. </p><p class="mt-0"><span class="calcSpec-title">Kidney Failure Risk (KFRE) (8 variable)</span> Estimates risk of kidney failure incorporating coefficients representative of the North American cohort in Tangri et al (2016). Urine albumin to creatinine ratio expressed in mg/g. </p><p class="mt-0"><span class="calcSpec-title">Likelihood Ratio MultiCalc</span> Estimates how much a test result will change the odds of having a disease. </p><p class="mt-0"><span class="calcSpec-title">Negative Predictive Value of a Test</span> Probability with a negative screening test of not having the disease. </p><p class="mt-0"><span class="calcSpec-title">Odds Ratio and Relative Risk</span> Calculates odds ratio and relative risk. </p><p class="mt-0"><span class="calcSpec-title">Positive Predictive Value of a Test</span> Probability with a positive screening test of having the disease. </p><p class="mt-0"><span class="calcSpec-title">Post Test Probability from Pre Test Probability, Sensitivity and Specificity</span> Post-test probability calculator for having a disease. </p><p class="mt-0"><span class="calcSpec-title">Post-Test Probability from Likelihood Ratios and Multiple Test Results</span> Post-test probability calculator for having a disease. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO infant head circumference for age percentiles (&lt;24 months)</span> WHO head circumference percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Length for Age Percentiles (&lt;24 months)</span> WHO growth chart: length for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO infant weight for length percentiles (&lt;24 months)</span> WHO growth chart: weight for length percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading9"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse9" aria-expanded="true" aria-controls="collapse9">Gastroenterology</a></h5></div><div id="collapse9" class="collapse" role="tabpanel" aria-labelledby="heading9"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Bedside Index of Severity in Acute Pancreatitis (BISAP) Score</span> Predicts risk of mortality in acute pancreatitis. </p><p class="mt-0"><span class="calcSpec-title">Blatchford score for gastrointestinal bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">Child Pugh classification for severity of liver disease</span> Assesses severity of liver disease. </p><p class="mt-0"><span class="calcSpec-title">Child Pugh classification for severity of liver disease (SI units)</span> Assesses severity of liver disease. </p><p class="mt-0"><span class="calcSpec-title">Cirrhosis probability in hepatitis C (FIB-4)</span> Calculates FIB-4 index which is a non-invasive method of screening for clinically significant hepatic fibrosis secondary to metabolic dysfunction-associated steatotic liver disease (MASLD) </p><p class="mt-0"><span class="calcSpec-title">Crohn&#39;s Disease Activity Index (CDAI)</span> Assesses severity of Crohn disease. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Alcoholic Hepatitis Score</span> Estimates mortality risk in patients with alcoholic hepatitis. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Blatchford Score for Gastrointestinal Bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">Harvey-Bradshaw Index of Crohn&#39;s Disease Activity</span> Assessment of Crohn&#39;s disease activity including extraintestinal features. </p><p class="mt-0"><span class="calcSpec-title">Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria)</span> Diagnostic criteria for irritable bowel syndrome. </p><p class="mt-0"><span class="calcSpec-title">Mayo score for assessing ulcerative colitis activity</span> Assesses severity of ulcerative colitis. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016) (SI units)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">NAFLD Fibrosis Score</span> Utilises age, hyperglycaemia, BMI, platelet count, albumin, and AST:ALT ratio (AAR) to predict patients with advanced liver fibrosis </p><p class="mt-0"><span class="calcSpec-title">Osmolal Gap Calculator</span> Calculates osmolal gap to detect unmeasured compounds in serum. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria</span> Mortality scale for acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria When Disease Due To Gallstones</span> Mortality scale for gallstone-related acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">PELD Score for End-Stage Liver Disease (patients less than 12 years old)</span> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </p><p class="mt-0"><span class="calcSpec-title">Rockall Score for Upper Gastrointestinal Bleeding</span> Determines severity of GI bleeding. </p><p class="mt-0"><span class="calcSpec-title">Stool Osmolal Gap</span> Determines if chronic diarrhea is osmotic or secretory. </p></div></div><div class="card-header" role="tab" id="heading10"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse10" aria-expanded="true" aria-controls="collapse10">Geriatric</a></h5></div><div id="collapse10" class="collapse" role="tabpanel" aria-labelledby="heading10"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">APACHE II scoring system</span> Estimates ICU mortality. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Breast Cancer Recurrence Risk After Mastectomy (simple)</span> Assesses risk of breast cancer recurrence after mastectomy based on tumor grade and lymphatic involvement. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Detsky et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Goldman, et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">CHADS-VASc Score for Stroke Risk in Arial Fibrillation (CHA[2]S[2]-VASc)</span> Score for stroke risk in atrial fibrillation. </p><p class="mt-0"><span class="calcSpec-title">Cognitive Impairment Screening with 6 Questions</span> Screening tool for cognitive impairment in adults. </p><p class="mt-0"><span class="calcSpec-title">Community-acquired pneumonia severity index (PSI) for adults</span> Estimates risk of mortality in patients with community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance estimate by Cockcroft-Gault equation</span> Calculates creatinine clearance according to the Cockcroft-Gault equation. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance estimate by Cockcroft-Gault equation (SI units)</span> Calculates creatinine clearance according to the Cockcroft-Gault equation. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Depression (any) Screening by a Two Item PHQ-2</span> Scores for likelihood of any depression. </p><p class="mt-0"><span class="calcSpec-title">Depression (major) Screening by a Two Item PHQ-2</span> Scores for likelihood of major depression. </p><p class="mt-0"><span class="calcSpec-title">Fall Risk in Elderly Hospitalized Patients</span> Estimates risk of fall in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITH known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITHOUT known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors not including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 1 Item Screener</span> Assesses likelihood of depression in elderly patients, based on 1 question. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 4 Item Scale</span> Assesses likelihood of depression in elderly patients, based on 4 questions. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression Scale</span> Assesses likelihood of depression in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Geriatric-Sensitive Perioperative Cardiac Risk Index (GSCRI)</span> This calculator estimates the rate of perioperative myocardial infarction or cardiac arrest (MICA) in patients ≥65 years old. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Coma Scale</span> Assessment of conscious level based on eye, verbal, and motor responses to stimuli. </p><p class="mt-0"><span class="calcSpec-title">HAS-BLED Bleeding Risk Score</span> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Intracranial Bleeding Risk from Thrombolytic Therapy of MI</span> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </p><p class="mt-0"><span class="calcSpec-title">MODS Score: Multiple Organ Dysfunction</span> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </p><p class="mt-0"><span class="calcSpec-title">Norton Scale to Stratify Risk of Pressure Sores</span> Assessment scale for risk of pressure ulcers. </p><p class="mt-0"><span class="calcSpec-title">ORBIT Bleeding Risk Score</span> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment Index (ORAI)</span> Osteoporosis risk assessment index (age, body weight). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p><p class="mt-0"><span class="calcSpec-title">Palliative Prognostic Score in Terminal Illness</span> 30-day probability of survival in terminal illness. </p></div></div><div class="card-header" role="tab" id="heading11"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse11" aria-expanded="true" aria-controls="collapse11">Hematology</a></h5></div><div id="collapse11" class="collapse" role="tabpanel" aria-labelledby="heading11"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Absolute Eosinophil Count</span> Assesses number of eosinophils (e.g., in people with allergic or autoimmune conditions, or parasite infections). </p><p class="mt-0"><span class="calcSpec-title">Absolute Lymphocyte Count</span> Estimates number of lymphocytes and predicts CD4 count. </p><p class="mt-0"><span class="calcSpec-title">Absolute Neutrophil Count</span> Measures number of neutrophils (used to asses neutropenia or neutrophilia). </p><p class="mt-0"><span class="calcSpec-title">APACHE II scoring system</span> Estimates ICU mortality. </p><p class="mt-0"><span class="calcSpec-title">Atrial fibrillation CHADS(2) score for stroke risk</span> Estimates risk of stroke in patients with atrial fibrillation. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (any bleeding complication) on Warfarin Therapy</span> Estimates risk of any bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (major complication) on Warfarin Therapy</span> Estimates risk of major bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk Index for Warfarin Therapy</span> Estimates risk of bleeding for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Dynamic International Prognostic Scoring System-Plus (DIPSS-Plus)</span> Assesses risk and prognosis in primary myelofibrosis. </p><p class="mt-0"><span class="calcSpec-title">EUTOS long-term survival (ELTS) score</span> Estimates risk of chronic myeloid leukaemia-related death </p><p class="mt-0"><span class="calcSpec-title">Genetically Inspired International Prognostic Scoring System (GIPSS)</span> Assesses risk and prognosis in myelofibrosis (includes genetic mutations). </p><p class="mt-0"><span class="calcSpec-title">HAS-BLED Bleeding Risk Score</span> Estimates risk of major bleeding for patients with atrial fibrillation on oral anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">International Prognostic Score in Hodgkin Lymphoma</span> Estimates freedom from progression and overall survival in patients with Hodgkin lymphoma. </p><p class="mt-0"><span class="calcSpec-title">MODS Score: Multiple Organ Dysfunction</span> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </p><p class="mt-0"><span class="calcSpec-title">Mutation and Karyotype-Enhanced International Prognostic Scoring System for Primary Myelofibrosis in adults 70 and younger (MIPSS70+ version 2.0)</span> Assesses risk and prognosis in primary myelofibrosis (includes genetic mutations). </p><p class="mt-0"><span class="calcSpec-title">ORBIT Bleeding Risk Score</span> Scoring system for assessing the risk of bleeding in people with atrial fibrillation being considered for oral anticoagulation, or for the review of people with atrial fibrillation already taking anticoagulation. </p><p class="mt-0"><span class="calcSpec-title">Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients</span> Determines need for VTE prophylaxis in hospitalized patients. </p><p class="mt-0"><span class="calcSpec-title">PASI Psoriasis Area and Severity Index</span> Severity index for psoriasis based on surface area, erythema, induration, desquamation. </p><p class="mt-0"><span class="calcSpec-title">Polycythemia Vera Diagnostic Criteria</span> Criteria for polycythemia vera including splenomegaly and laboratory features. </p><p class="mt-0"><span class="calcSpec-title">Pretest Probability of Heparin Induced Thrombocytopenia (4-T&#39;s score)</span> Assesses the risk for heparin-induced thrombocytopenia. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (with chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) including chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (without chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) excluding chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Wells Score</span> Calculates probability of pulmonary embolism. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Simplified Pulmonary Embolism Severity Index (sPESI)</span> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </p><p class="mt-0"><span class="calcSpec-title">Sokal score for chronic myeloid leukemia</span> Estimates survival in patients with chronic myeloid leukaemia. </p></div></div><div class="card-header" role="tab" id="heading12"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse12" aria-expanded="true" aria-controls="collapse12">Infectious Disease</a></h5></div><div id="collapse12" class="collapse" role="tabpanel" aria-labelledby="heading12"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Aminoglycoside Clearance Estimate</span> Estimates rate of aminoglycoside clearance. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Clinical Pulmonary Infection Score (CPIS)</span> Aids in early diagnosis and treatment of ventilator-associated pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Community-acquired pneumonia severity index (PSI) for adults</span> Estimates risk of mortality in patients with community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Hepatitis Discriminant Function for Corticosteroid Therapy in Alcoholic Hepatitis</span> Score parameters including prothrombin time and bilirubin level. </p><p class="mt-0"><span class="calcSpec-title">Jones Criteria for Diagnosis of Rheumatic Fever</span> Diagnostic criteria for rheumatic fever. </p><p class="mt-0"><span class="calcSpec-title">Kawasaki Disease Diagnostic Criteria</span> Diagnostic criteria for Kawasaki disease. </p><p class="mt-0"><span class="calcSpec-title">PELD Score for End-Stage Liver Disease (patients less than 12 years old)</span> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </p><p class="mt-0"><span class="calcSpec-title">Sore Throat (Pharyngitis) Evaluation and Treatment Criteria (McIsaac)</span> Scoring system for sore throat including clinical features such as age, fever, lymphadenopathy or exudate. </p><p class="mt-0"><span class="calcSpec-title">Temperature Unit Conversions</span> Temperature converter: Celsius, Fahrenheit, Kelvin. </p></div></div><div class="card-header" role="tab" id="heading13"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse13" aria-expanded="true" aria-controls="collapse13">International health</a></h5></div><div id="collapse13" class="collapse" role="tabpanel" aria-labelledby="heading13"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Alcohol Consumption Screening AUDIT Questionnaire</span> Screening tool to identify alcohol use disorders. </p><p class="mt-0"><span class="calcSpec-title">Canadian Head CT Rule for Minor Head Injury</span> Assesses which patients with minor head injury need CT scan. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">EuroSCORE for Cardiac Surgery Risk Assessment (additive version)</span> Calculates risk of mortality in patients undergoing cardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Coma Scale</span> Assessment of conscious level based on eye, verbal, and motor responses to stimuli. </p><p class="mt-0"><span class="calcSpec-title">In-Flight PaO2 Estimation</span> Predicts patient&#39;s PaO2 during flight. </p><p class="mt-0"><span class="calcSpec-title">In-Flight PaO2 Estimation (using PFT&#39;s)</span> Predicts patient&#39;s PaO2 during flight. </p><p class="mt-0"><span class="calcSpec-title">International Prognostic Score in Hodgkin Lymphoma</span> Estimates freedom from progression and overall survival in patients with Hodgkin lymphoma. </p><p class="mt-0"><span class="calcSpec-title">Kawasaki Disease Diagnostic Criteria</span> Diagnostic criteria for Kawasaki disease. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (EGIR)</span> European Group for the Study of Insulin Resistance calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (IDF 2005)</span> International Diabetes Federation calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury</span> Describes criteria for ankle trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Foot Rule for the Use of X-Ray in Foot Injury</span> Describes criteria for foot trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Knee Rule for use of X Ray in Knee Injury</span> Describes criteria for knee trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Length for Age Percentiles (&lt;24 months)</span> WHO growth chart: length for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading14"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse14" aria-expanded="true" aria-controls="collapse14">Medical Statistics</a></h5></div><div id="collapse14" class="collapse" role="tabpanel" aria-labelledby="heading14"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Bayesian Statistics I MultiCalc</span> Calculates statistics from prevalence, sensitivity, and specificity. </p><p class="mt-0"><span class="calcSpec-title">Bayesian Statistics II MultiCalc</span> Calculates statistics from true and false positives and negatives. </p><p class="mt-0"><span class="calcSpec-title">Benefit Increase / Number Needed to Treat Multicalc</span> Calculates absolute and relative benefit and number needed to treat. </p><p class="mt-0"><span class="calcSpec-title">Likelihood Ratio MultiCalc</span> Estimates how much a test result will change the odds of having a disease. </p><p class="mt-0"><span class="calcSpec-title">Negative Predictive Value of a Test</span> Probability with a negative screening test of not having the disease. </p><p class="mt-0"><span class="calcSpec-title">Odds Ratio and Relative Risk</span> Calculates odds ratio and relative risk. </p><p class="mt-0"><span class="calcSpec-title">Positive Predictive Value of a Test</span> Probability with a positive screening test of having the disease. </p><p class="mt-0"><span class="calcSpec-title">Post Test Probability from Pre Test Probability, Sensitivity and Specificity</span> Post-test probability calculator for having a disease. </p><p class="mt-0"><span class="calcSpec-title">Post-Test Probability from Likelihood Ratios and Multiple Test Results</span> Post-test probability calculator for having a disease. </p><p class="mt-0"><span class="calcSpec-title">Risk Reduction / Number Needed to Treat Multicalc</span> Calculates risk reduction/number needed to treat. </p></div></div><div class="card-header" role="tab" id="heading15"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse15" aria-expanded="true" aria-controls="collapse15">Nephrology</a></h5></div><div id="collapse15" class="collapse" role="tabpanel" aria-labelledby="heading15"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Aminoglycoside Clearance Estimate</span> Estimates rate of aminoglycoside clearance. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap</span> Aids in identifying causes of metabolic acidosis. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap Delta Delta Gradient Multicalc</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap Delta Delta Ratio Multicalc</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap in Hypoalbumin States</span> Calculation of anion gap (to identify acid-base disorders) taking hypoalbuminemia into account. </p><p class="mt-0"><span class="calcSpec-title">APACHE II scoring system</span> Estimates ICU mortality. </p><p class="mt-0"><span class="calcSpec-title">Base Excess Determination</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Bicarbonate Deficit</span> Calculates total bicarbonate deficit. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Brooke estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Demling dextran estimate)</span> Estimates colloid fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Evans estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Slater estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)</span> Often used to estimate fluid requirements in adults following major burn injury. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance (measured)</span> Measures creatinine clearance. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance estimate by Cockcroft-Gault equation</span> Calculates creatinine clearance according to the Cockcroft-Gault equation. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance estimate by Cockcroft-Gault equation (SI units)</span> Calculates creatinine clearance according to the Cockcroft-Gault equation. </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Magnesium</span> Calculates fractional excretion of magnesium (used to assess hypomagnesemia). </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Magnesium (SI units)</span> Calculates fractional excretion of magnesium (used to assess hypomagnesemia). </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Sodium</span> Calculates fractional excretion of sodium, helping to assess acute kidney injury. </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Sodium (SI units)</span> Calculates fractional excretion of sodium, helping to assess acute kidney injury. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by CKD-EPI Equation</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by Quadratic Equation</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by Schwartz Formula</span> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation (SI units)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the IDMS-Traceable MDRD Study Equation</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the MDRD Equation</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the MDRD Equation (SI units)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by Updated Schwartz Formula</span> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate in African Americans by AASK Equation</span> Estimates glomerular filtration rate based on creatinine and patient&#39;s age and gender. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimation (eGFR) by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) Equation with Creatinine, without Race (2021)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics without a race variable. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Creatinine and Cystatin C, without Race (2021)</span> Estimates glomerular filtration rate based on creatinine, cystatin C and patient characteristics without a race variable. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimation (eGFR) by CKD-EPI Equation with Cystatin C, without Race (2012)</span> Estimates glomerular filtration rate based on cystatin C and patient characteristics without a race variable. </p><p class="mt-0"><span class="calcSpec-title">Glomerular filtration rate estimation (eGFR) by CKiD U25 equations with creatinine and/or cystatin C in children and adults ≤25 years old</span> Estimates glomerular filtration rate based on creatinine, cystatin C and patient characteristics in children and adults ages ≤25 years. </p><p class="mt-0"><span class="calcSpec-title">Kidney Failure Risk (KFRE) (8 variable)</span> Estimates risk of kidney failure incorporating coefficients representative of the North American cohort in Tangri et al (2016). Urine albumin to creatinine ratio expressed in mg/g. </p><p class="mt-0"><span class="calcSpec-title">Kt/V Dialysis Dose Daugirdas Formula</span> Quantifies adequacy of dialysis treatment. </p><p class="mt-0"><span class="calcSpec-title">Maintenance Fluid Calculation for Children</span> Calculates maintenance fluid requirements by weight. </p><p class="mt-0"><span class="calcSpec-title">MODS Score: Multiple Organ Dysfunction</span> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </p><p class="mt-0"><span class="calcSpec-title">Osmolal Gap Calculator</span> Calculates osmolal gap to detect unmeasured compounds in serum. </p><p class="mt-0"><span class="calcSpec-title">Osmolal Gap Calculator (SI units)</span> Calculates osmolal gap to detect unmeasured compounds in serum (SI units). </p><p class="mt-0"><span class="calcSpec-title">Osmolality Estimator (serum)</span> Estimates serum osmolality with sodium, glucose, and BUN. </p><p class="mt-0"><span class="calcSpec-title">Osmolar Clearance</span> Calculates renal osmolar clearance using urine/serum Osm and urine volume per day. </p><p class="mt-0"><span class="calcSpec-title">Residual Renal Function in Hemodialysis Patients (Kru)</span> Residual kidney function for people receiving hemodialysis. </p><p class="mt-0"><span class="calcSpec-title">Sequential Organ Failure Assessment: SOFA Score</span> Predicts ICU mortality using clinical and laboratory data. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Sodium Correction in Hyperglycemia (Hillier 1999)</span> Determines if true hyponatremia is present in a patient with hyperglycemia. </p><p class="mt-0"><span class="calcSpec-title">Urine anion gap</span> Aids in identifying causes of metabolic acidosis where there is no serum anion gap. </p></div></div><div class="card-header" role="tab" id="heading16"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse16" aria-expanded="true" aria-controls="collapse16">Neurology</a></h5></div><div id="collapse16" class="collapse" role="tabpanel" aria-labelledby="heading16"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">ABCD2 Score to Predict Stroke Risk after TIA</span> Estimates the risk of stroke following transient ischemic attack. </p><p class="mt-0"><span class="calcSpec-title">Apgar score</span> Assesses neonates 1 and 5 minutes after birth. </p><p class="mt-0"><span class="calcSpec-title">Atrial fibrillation CHADS(2) score for stroke risk</span> Estimates risk of stroke in patients with atrial fibrillation. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (any bleeding complication) on Warfarin Therapy</span> Estimates risk of any bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (major complication) on Warfarin Therapy</span> Estimates risk of major bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk Index for Warfarin Therapy</span> Estimates risk of bleeding for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Blood Ethanol Concentration Estimation</span> Estimates blood ethanol concentration. </p><p class="mt-0"><span class="calcSpec-title">Canadian Head CT Rule for Minor Head Injury</span> Assesses which patients with minor head injury need CT scan. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">Cognitive Impairment Screening with 6 Questions</span> Screening tool for cognitive impairment in adults. </p><p class="mt-0"><span class="calcSpec-title">Depression (any) Screening by a Two Item PHQ-2</span> Scores for likelihood of any depression. </p><p class="mt-0"><span class="calcSpec-title">Depression (major) Screening by a Two Item PHQ-2</span> Scores for likelihood of major depression. </p><p class="mt-0"><span class="calcSpec-title">Epworth Sleepiness Scale (ESS)</span> Measures daytime sleepiness. </p><p class="mt-0"><span class="calcSpec-title">Fall Risk in Elderly Hospitalized Patients</span> Estimates risk of fall in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 1 Item Screener</span> Assesses likelihood of depression in elderly patients, based on 1 question. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 4 Item Scale</span> Assesses likelihood of depression in elderly patients, based on 4 questions. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression Scale</span> Assesses likelihood of depression in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Coma Scale</span> Assessment of conscious level based on eye, verbal, and motor responses to stimuli. </p><p class="mt-0"><span class="calcSpec-title">Intracranial Bleeding Risk from Thrombolytic Therapy of MI</span> Estimates risk of cerebral bleeding in patients treated with thrombolytic therapy for mycocardial infarction. </p><p class="mt-0"><span class="calcSpec-title">Migraine Screener</span> Scores likelihood of migraine. </p><p class="mt-0"><span class="calcSpec-title">Migraine With Aura Diagnostic Criteria</span> Criteria for migraine with aura. </p><p class="mt-0"><span class="calcSpec-title">Migraine Without Aura Diagnostic Criteria</span> Criteria for migraine without aura. </p><p class="mt-0"><span class="calcSpec-title">New Orleans Head CT Criteria</span> Criteria for head CT after head trauma. </p><p class="mt-0"><span class="calcSpec-title">NIH Stroke Score</span> Quantifies stroke severity based on multiple neurologic factors. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 1</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 2</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Panic Disorder Screener</span> Likelihood of panic disorder based on features over last 6 months. </p><p class="mt-0"><span class="calcSpec-title">Stroke Risk in Diabetes Type 2 UKPDS 60</span> Models chance of a first stroke in type 2 diabetes using risk factors. </p><p class="mt-0"><span class="calcSpec-title">Stroke Risk in Female Patients 55-84 Years Old (Framingham data)</span> Stroke risk for women. </p><p class="mt-0"><span class="calcSpec-title">Stroke Risk in Male Patients 55-84 Years Old (Framingham data)</span> Stroke risk for men. </p><p class="mt-0"><span class="calcSpec-title">TIA Prognosis: Risk of Stroke by 90 Days After Presentation</span> Approximate 90-day risk of stroke following TIA. </p></div></div><div class="card-header" role="tab" id="heading17"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse17" aria-expanded="true" aria-controls="collapse17">Nursing</a></h5></div><div id="collapse17" class="collapse" role="tabpanel" aria-labelledby="heading17"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Apgar score</span> Assesses neonates 1 and 5 minutes after birth. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Breast Cancer Recurrence Risk After Mastectomy (simple)</span> Assesses risk of breast cancer recurrence after mastectomy based on tumor grade and lymphatic involvement. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)</span> Often used to estimate fluid requirements in adults following major burn injury. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">Cognitive Impairment Screening with 6 Questions</span> Screening tool for cognitive impairment in adults. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Depression (any) Screening by a Two Item PHQ-2</span> Scores for likelihood of any depression. </p><p class="mt-0"><span class="calcSpec-title">Depression (major) Screening by a Two Item PHQ-2</span> Scores for likelihood of major depression. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 1 Item Screener</span> Assesses likelihood of depression in elderly patients, based on 1 question. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 4 Item Scale</span> Assesses likelihood of depression in elderly patients, based on 4 questions. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression Scale</span> Assesses likelihood of depression in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Gestational Age from Estimated Date of Delivery (EDD)</span> Calculates gestational age based on estimated date of delivery. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Coma Scale</span> Assessment of conscious level based on eye, verbal, and motor responses to stimuli. </p><p class="mt-0"><span class="calcSpec-title">Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria)</span> Diagnostic criteria for irritable bowel syndrome. </p><p class="mt-0"><span class="calcSpec-title">Kt/V Dialysis Dose Daugirdas Formula</span> Quantifies adequacy of dialysis treatment. </p><p class="mt-0"><span class="calcSpec-title">Maintenance Fluid Calculation for Children</span> Calculates maintenance fluid requirements by weight. </p><p class="mt-0"><span class="calcSpec-title">Migraine Screener</span> Scores likelihood of migraine. </p><p class="mt-0"><span class="calcSpec-title">Migraine With Aura Diagnostic Criteria</span> Criteria for migraine with aura. </p><p class="mt-0"><span class="calcSpec-title">Migraine Without Aura Diagnostic Criteria</span> Criteria for migraine without aura. </p><p class="mt-0"><span class="calcSpec-title">Nasal Canula Oxygen Fractional Inspired O2 (FIO2) Estimate</span> Estimates fraction of inspired oxygen using oxygen flow rate and percent. </p><p class="mt-0"><span class="calcSpec-title">NIH Stroke Score</span> Quantifies stroke severity based on multiple neurologic factors. </p><p class="mt-0"><span class="calcSpec-title">Norton Scale to Stratify Risk of Pressure Sores</span> Assessment scale for risk of pressure ulcers. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment Index (ORAI)</span> Osteoporosis risk assessment index (age, body weight). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p><p class="mt-0"><span class="calcSpec-title">Palliative Prognostic Score in Terminal Illness</span> 30-day probability of survival in terminal illness. </p><p class="mt-0"><span class="calcSpec-title">Panic Disorder Screener</span> Likelihood of panic disorder based on features over last 6 months. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Wells Score</span> Calculates probability of pulmonary embolism. </p><p class="mt-0"><span class="calcSpec-title">Roland-Morris Disability Score</span> Scoring for physical disability caused by low back pain. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Temperature Unit Conversions</span> Temperature converter: Celsius, Fahrenheit, Kelvin. </p><p class="mt-0"><span class="calcSpec-title">Venous Leg Ulcer Healing Prediction</span> Score for venous leg ulcer healing in 24 weeks based on duration and area. </p><p class="mt-0"><span class="calcSpec-title">Weight Unit Conversions</span> International weight conversions. </p><p class="mt-0"><span class="calcSpec-title">WHO infant head circumference for age percentiles (&lt;24 months)</span> WHO head circumference percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO infant weight for length percentiles (&lt;24 months)</span> WHO growth chart: weight for length percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading18"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse18" aria-expanded="true" aria-controls="collapse18">Nutrition</a></h5></div><div id="collapse18" class="collapse" role="tabpanel" aria-labelledby="heading18"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Alcohol Consumption Screening AUDIT Questionnaire</span> Screening tool to identify alcohol use disorders. </p><p class="mt-0"><span class="calcSpec-title">Anion Gap in Hypoalbumin States</span> Calculation of anion gap (to identify acid-base disorders) taking hypoalbuminemia into account. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Calcium Correction in Hypoalbuminemia</span> Calculates corrected calcium level for patients with hypoalbuminemia. </p><p class="mt-0"><span class="calcSpec-title">Calcium Correction in Hypoalbuminemia (SI units)</span> Calculates corrected calcium level for patients with hypoalbuminemia. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (AACE 2003)</span> American Association of Clinical Endocrinologists calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (AHA/NHLBI 2005)</span> American Heart Association/National Heart, Lung and Blood Institute calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (EGIR)</span> European Group for the Study of Insulin Resistance calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Metabolic Syndrome Criteria (IDF 2005)</span> International Diabetes Federation calculator for metabolic syndrome. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Length for Age Percentiles (&lt;24 months)</span> WHO growth chart: length for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading19"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse19" aria-expanded="true" aria-controls="collapse19">Oncology</a></h5></div><div id="collapse19" class="collapse" role="tabpanel" aria-labelledby="heading19"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Absolute Lymphocyte Count</span> Estimates number of lymphocytes and predicts CD4 count. </p><p class="mt-0"><span class="calcSpec-title">Absolute Neutrophil Count</span> Measures number of neutrophils (used to asses neutropenia or neutrophilia). </p><p class="mt-0"><span class="calcSpec-title">Breast Cancer Recurrence Risk After Mastectomy (simple)</span> Assesses risk of breast cancer recurrence after mastectomy based on tumor grade and lymphatic involvement. </p><p class="mt-0"><span class="calcSpec-title">Breast cancer risk assessment by Gail Model (2018)</span> Screening tool which allows health professionals to estimate a woman&#39;s risk of developing invasive breast cancer over the next five years and up to age 90 (lifetime risk). </p><p class="mt-0"><span class="calcSpec-title">International Prognostic Score in Hodgkin Lymphoma</span> Estimates freedom from progression and overall survival in patients with Hodgkin lymphoma. </p><p class="mt-0"><span class="calcSpec-title">Mantle Cell Lymphoma International Prognostic Index (MIPI)</span> Estimates prognosis in mantle cell lymphoma. </p><p class="mt-0"><span class="calcSpec-title">Multinational Association for Supportive Care in Cancer (MASCC) risk index for patients with neutropenic fever</span> Risk index for people with neutropenic fever. </p></div></div><div class="card-header" role="tab" id="heading20"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse20" aria-expanded="true" aria-controls="collapse20">Orthopaedics</a></h5></div><div id="collapse20" class="collapse" role="tabpanel" aria-labelledby="heading20"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Orthopedic Surgery (Lee)</span> Estimates risk of cardiac complications following orthopedic surgery. </p><p class="mt-0"><span class="calcSpec-title">Fall Risk in Elderly Hospitalized Patients</span> Estimates risk of fall in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITH known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITHOUT known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors not including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">International Prognostic Index for Non-Hodgkin Lymphoma</span> Prognostic score including age and stage. </p><p class="mt-0"><span class="calcSpec-title">International Prognostic Score in Hodgkin Lymphoma (2012 update)</span> Prognostic score including stage and laboratory features. </p><p class="mt-0"><span class="calcSpec-title">Myelodysplastic Syndrome International Prognostic Scoring System</span> Prognostic assessment for myelodysplastic syndrome. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment Index (ORAI)</span> Osteoporosis risk assessment index (age, body weight). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 1</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 2</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury</span> Describes criteria for ankle trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Foot Rule for the Use of X-Ray in Foot Injury</span> Describes criteria for foot trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Knee Rule for use of X Ray in Knee Injury</span> Describes criteria for knee trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Polycythemia Vera Diagnostic Criteria</span> Criteria for polycythemia vera including splenomegaly and laboratory features. </p><p class="mt-0"><span class="calcSpec-title">Roland-Morris Disability Score</span> Scoring for physical disability caused by low back pain. </p><p class="mt-0"><span class="calcSpec-title">Rotator Cuff Tear Diagnosis</span> Probability of rotator cuff tear based on physical findings. </p></div></div><div class="card-header" role="tab" id="heading21"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse21" aria-expanded="true" aria-controls="collapse21">Pain Management</a></h5></div><div id="collapse21" class="collapse" role="tabpanel" aria-labelledby="heading21"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Migraine Screener</span> Scores likelihood of migraine. </p><p class="mt-0"><span class="calcSpec-title">Migraine With Aura Diagnostic Criteria</span> Criteria for migraine with aura. </p><p class="mt-0"><span class="calcSpec-title">Migraine Without Aura Diagnostic Criteria</span> Criteria for migraine without aura. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 1</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 2</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Ankle Rule for the Use of X-Ray in Ankle Injury</span> Describes criteria for ankle trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Ottawa Foot Rule for the Use of X-Ray in Foot Injury</span> Describes criteria for foot trauma patients to determine need for imaging. </p><p class="mt-0"><span class="calcSpec-title">Roland-Morris Disability Score</span> Scoring for physical disability caused by low back pain. </p></div></div><div class="card-header" role="tab" id="heading22"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse22" aria-expanded="true" aria-controls="collapse22">Patient Use</a></h5></div><div id="collapse22" class="collapse" role="tabpanel" aria-labelledby="heading22"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">Gestational Age from Estimated Date of Delivery (EDD)</span> Calculates gestational age based on estimated date of delivery. </p><p class="mt-0"><span class="calcSpec-title">Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria)</span> Diagnostic criteria for irritable bowel syndrome. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016) (SI units)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">PELD Score for End-Stage Liver Disease (patients less than 12 years old)</span> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </p><p class="mt-0"><span class="calcSpec-title">Standard Drink Equivalents</span> Alcohol drink equivalents. </p><p class="mt-0"><span class="calcSpec-title">Temperature Unit Conversions</span> Temperature converter: Celsius, Fahrenheit, Kelvin. </p><p class="mt-0"><span class="calcSpec-title">Weight Unit Conversions</span> International weight conversions. </p></div></div><div class="card-header" role="tab" id="heading23"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse23" aria-expanded="true" aria-controls="collapse23">Pediatrics</a></h5></div><div id="collapse23" class="collapse" role="tabpanel" aria-labelledby="heading23"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">A-a Gradient</span> Calculates difference between alveolar and arterial oxygen concentration. </p><p class="mt-0"><span class="calcSpec-title">Apgar score</span> Assesses neonates 1 and 5 minutes after birth. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC/NCHS Infant Head Circumference for Age Percentiles (&lt;36 months)</span> Assesses whether patient has appropriate head circumference for their age. </p><p class="mt-0"><span class="calcSpec-title">Gestational Age from Estimated Date of Delivery (EDD)</span> Calculates gestational age based on estimated date of delivery. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by Schwartz Formula</span> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by Updated Schwartz Formula</span> Estimates glomerular filtration rate in children based on creatinine and patient&#39;s height. </p><p class="mt-0"><span class="calcSpec-title">Jones Criteria for Diagnosis of Rheumatic Fever</span> Diagnostic criteria for rheumatic fever. </p><p class="mt-0"><span class="calcSpec-title">Kawasaki Disease Diagnostic Criteria</span> Diagnostic criteria for Kawasaki disease. </p><p class="mt-0"><span class="calcSpec-title">Maintenance Fluid Calculation for Children</span> Calculates maintenance fluid requirements by weight. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016) (SI units)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">Newborn Hyperbilirubinemia Assessment</span> Assessment including infant age, bilirubin level, and clinical risk group. </p><p class="mt-0"><span class="calcSpec-title">PELD Score for End-Stage Liver Disease (patients less than 12 years old)</span> Calculates the pediatric version of the MELD score for liver cirrhosis severity and transplant planning. </p><p class="mt-0"><span class="calcSpec-title">Temperature Unit Conversions</span> Temperature converter: Celsius, Fahrenheit, Kelvin. </p><p class="mt-0"><span class="calcSpec-title">Weight Unit Conversions</span> International weight conversions. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO infant head circumference for age percentiles (&lt;24 months)</span> WHO head circumference percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Length for Age Percentiles (&lt;24 months)</span> WHO growth chart: length for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO Infant Weight for Age Percentiles (&lt;24 months)</span> WHO growth chart: weight for age percentiles birth to 24 months. </p><p class="mt-0"><span class="calcSpec-title">WHO infant weight for length percentiles (&lt;24 months)</span> WHO growth chart: weight for length percentiles birth to 24 months. </p></div></div><div class="card-header" role="tab" id="heading24"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse24" aria-expanded="true" aria-controls="collapse24">Pharmacology</a></h5></div><div id="collapse24" class="collapse" role="tabpanel" aria-labelledby="heading24"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Aminoglycoside Clearance Estimate</span> Estimates rate of aminoglycoside clearance. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Standard Drink Equivalents</span> Alcohol drink equivalents. </p></div></div><div class="card-header" role="tab" id="heading25"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse25" aria-expanded="true" aria-controls="collapse25">Physical medicine &amp; Rehabilitation</a></h5></div><div id="collapse25" class="collapse" role="tabpanel" aria-labelledby="heading25"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) (Quetelet&#39;s index)</span> Assesses whether patient is at a weight appropriate for their height. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for boys (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for boys (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">CDC height for age percentiles for girls (2 to 20 years)</span> Assesses whether patient is at appropriate height for their age. </p><p class="mt-0"><span class="calcSpec-title">Epworth Sleepiness Scale (ESS)</span> Measures daytime sleepiness. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITH known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITHOUT known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors not including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Norton Scale to Stratify Risk of Pressure Sores</span> Assessment scale for risk of pressure ulcers. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment Index (ORAI)</span> Osteoporosis risk assessment index (age, body weight). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 1</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 2</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Rheumatoid arthritis Disease Activity Score with Erythrocyte Sedimentation Rate (DAS28-ESR)</span> Determines severity of rheumatoid arthritis using clinical data and ESR. </p><p class="mt-0"><span class="calcSpec-title">Roland-Morris Disability Score</span> Scoring for physical disability caused by low back pain. </p><p class="mt-0"><span class="calcSpec-title">Rotator Cuff Tear Diagnosis</span> Probability of rotator cuff tear based on physical findings. </p><p class="mt-0"><span class="calcSpec-title">Temperature Unit Conversions</span> Temperature converter: Celsius, Fahrenheit, Kelvin. </p><p class="mt-0"><span class="calcSpec-title">Weight Unit Conversions</span> International weight conversions. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Boys 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p><p class="mt-0"><span class="calcSpec-title">WHO Assessment of Malnutrition in Girls 2 to 5 years Old</span> WHO score for malnutrition based on age, height and weight. </p></div></div><div class="card-header" role="tab" id="heading26"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse26" aria-expanded="true" aria-controls="collapse26">Psychiatry</a></h5></div><div id="collapse26" class="collapse" role="tabpanel" aria-labelledby="heading26"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Alcohol Consumption Screening AUDIT Questionnaire</span> Screening tool to identify alcohol use disorders. </p><p class="mt-0"><span class="calcSpec-title">Cognitive Impairment Screening with 6 Questions</span> Screening tool for cognitive impairment in adults. </p><p class="mt-0"><span class="calcSpec-title">Depression (any) Screening by a Two Item PHQ-2</span> Scores for likelihood of any depression. </p><p class="mt-0"><span class="calcSpec-title">Depression (major) Screening by a Two Item PHQ-2</span> Scores for likelihood of major depression. </p><p class="mt-0"><span class="calcSpec-title">Edinburgh Postnatal Depression Scale (EPDS)</span> Screening tool to identify women who may have postnatal depression. </p><p class="mt-0"><span class="calcSpec-title">Epworth Sleepiness Scale (ESS)</span> Measures daytime sleepiness. </p><p class="mt-0"><span class="calcSpec-title">GAD-7 Generalized Anxiety Disorder Scale</span> Screening tool to identify people who may have generalised anxiety disorder (GAD). </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 1 Item Screener</span> Assesses likelihood of depression in elderly patients, based on 1 question. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression 4 Item Scale</span> Assesses likelihood of depression in elderly patients, based on 4 questions. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression Scale</span> Assesses likelihood of depression in elderly patients. </p><p class="mt-0"><span class="calcSpec-title">Geriatric Depression Scale (30-item GDS)</span> Screening tool designed to identify symptoms of depression in older adults. </p><p class="mt-0"><span class="calcSpec-title">Panic Disorder Screener</span> Likelihood of panic disorder based on features over last 6 months. </p></div></div><div class="card-header" role="tab" id="heading27"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse27" aria-expanded="true" aria-controls="collapse27">Pulmonology</a></h5></div><div id="collapse27" class="collapse" role="tabpanel" aria-labelledby="heading27"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">A-a Gradient</span> Calculates difference between alveolar and arterial oxygen concentration. </p><p class="mt-0"><span class="calcSpec-title">APACHE II scoring system</span> Estimates ICU mortality. </p><p class="mt-0"><span class="calcSpec-title">BAP-65 prediction of in-hospital mortality and need for mechanical ventilation in COPD</span> Predicts risk of mortality and need for mechanical ventilation in acute exacerbations of COPD. </p><p class="mt-0"><span class="calcSpec-title">Base Excess Determination</span> Aids in identifying acid-base disorders. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (any bleeding complication) on Warfarin Therapy</span> Estimates risk of any bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">Bleeding Risk (major complication) on Warfarin Therapy</span> Estimates risk of major bleeding complications for patients on warfarin. </p><p class="mt-0"><span class="calcSpec-title">BODE Index for COPD Survival Prediction</span> Estimates prognosis in patients with COPD based on body mass index, airflow obstruction, dyspnea, and exercise. </p><p class="mt-0"><span class="calcSpec-title">Clinical Pulmonary Infection Score (CPIS)</span> Aids in early diagnosis and treatment of ventilator-associated pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Community-acquired pneumonia severity index (PSI) for adults</span> Estimates risk of mortality in patients with community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Epworth Sleepiness Scale (ESS)</span> Measures daytime sleepiness. </p><p class="mt-0"><span class="calcSpec-title">Functional Residual Capacity</span> Calculates functional residual capacity from sum of expiratory reserve and residual volume. </p><p class="mt-0"><span class="calcSpec-title">In-Flight PaO2 Estimation</span> Predicts patient&#39;s PaO2 during flight. </p><p class="mt-0"><span class="calcSpec-title">In-Flight PaO2 Estimation (using PFT&#39;s)</span> Predicts patient&#39;s PaO2 during flight. </p><p class="mt-0"><span class="calcSpec-title">MODS Score: Multiple Organ Dysfunction</span> Predicts hospital/ICU mortality and ICU length of stay based on measures of multiple organ dysfunction. </p><p class="mt-0"><span class="calcSpec-title">Nasal Canula Oxygen Fractional Inspired O2 (FIO2) Estimate</span> Estimates fraction of inspired oxygen using oxygen flow rate and percent. </p><p class="mt-0"><span class="calcSpec-title">Padua Score for Assessing Venous Thromboembolism Risk in Hospitalized Patients</span> Determines need for VTE prophylaxis in hospitalized patients. </p><p class="mt-0"><span class="calcSpec-title">Peak Expiratory Flow Prediction</span> Predicts peak expiratory flow based on height and age. </p><p class="mt-0"><span class="calcSpec-title">Pneumothorax Degree of Collapse</span> Calculates pneumothorax volume (%) using lung and hemithorax diameters. </p><p class="mt-0"><span class="calcSpec-title">Predicted postoperative FEV1 following lung resection surgery (anatomic method)</span> Predicted postoperative FEV1 after lung resection using lung anatomy. </p><p class="mt-0"><span class="calcSpec-title">Predicted postoperative FEV1 following lung resection surgery (perfusion method)</span> Predicted postoperative FEV1 after lung resection using perfusion scan. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (with chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) including chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Risk by Pisa Study (without chest x-ray)</span> Risk score for pulmonary embolism (age, gender, risk factors) excluding chest x-ray. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Severity Index (PESI)</span> Stratifies severity of pulmonary embolism from very low to very high risk. </p><p class="mt-0"><span class="calcSpec-title">Pulmonary Embolism Wells Score</span> Calculates probability of pulmonary embolism. </p><p class="mt-0"><span class="calcSpec-title">Right to Left Shunt Fraction Qs/Qt</span> Right to left shunt fraction (Qs/Qt) calculator using temperature, altitude, paCO2, and paO2. </p><p class="mt-0"><span class="calcSpec-title">Simplified Pulmonary Embolism Severity Index (sPESI)</span> Risk stratifies patients with PE and can help identify those suitable for outpatient management. </p><p class="mt-0"><span class="calcSpec-title">Systemic Vascular Resistance</span> Calculates systemic vascular resistance using cardiologic parameters. </p></div></div><div class="card-header" role="tab" id="heading28"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse28" aria-expanded="true" aria-controls="collapse28">Rheumatology</a></h5></div><div id="collapse28" class="collapse" role="tabpanel" aria-labelledby="heading28"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Du Bois Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Gehan &amp; George Method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area (Mosteller, square root method)</span> Calculation of body surface area. </p><p class="mt-0"><span class="calcSpec-title">Body Surface Area Based Dosing</span> Calculates drug dose based on body surface area. </p><p class="mt-0"><span class="calcSpec-title">Jones Criteria for Diagnosis of Rheumatic Fever</span> Diagnostic criteria for rheumatic fever. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p><p class="mt-0"><span class="calcSpec-title">Rheumatoid arthritis Clinical Disease Activity Index (CDAI)</span> Disease activity scoring system for rheumatoid arthritis. </p><p class="mt-0"><span class="calcSpec-title">Rheumatoid arthritis Disease Activity Score with C-reactive protein (DAS28-CRP)</span> Determines severity of rheumatoid arthritis using clinical data and CRP. </p><p class="mt-0"><span class="calcSpec-title">Rheumatoid arthritis Disease Activity Score with Erythrocyte Sedimentation Rate (DAS28-ESR)</span> Determines severity of rheumatoid arthritis using clinical data and ESR. </p></div></div><div class="card-header" role="tab" id="heading29"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse29" aria-expanded="true" aria-controls="collapse29">SI Units Friendly</a></h5></div><div id="collapse29" class="collapse" role="tabpanel" aria-labelledby="heading29"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Calcium Correction in Hypoalbuminemia (SI units)</span> Calculates corrected calcium level for patients with hypoalbuminemia. </p><p class="mt-0"><span class="calcSpec-title">Child Pugh classification for severity of liver disease (SI units)</span> Assesses severity of liver disease. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance (measured)</span> Measures creatinine clearance. </p><p class="mt-0"><span class="calcSpec-title">Creatinine clearance estimate by Cockcroft-Gault equation (SI units)</span> Calculates creatinine clearance according to the Cockcroft-Gault equation. </p><p class="mt-0"><span class="calcSpec-title">CURB-65 pneumonia severity score</span> Predicts risk of mortality in community-acquired pneumonia. </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Magnesium (SI units)</span> Calculates fractional excretion of magnesium (used to assess hypomagnesemia). </p><p class="mt-0"><span class="calcSpec-title">Fractional Excretion of Sodium (SI units)</span> Calculates fractional excretion of sodium, helping to assess acute kidney injury. </p><p class="mt-0"><span class="calcSpec-title">Friedewald Equation for Low Density Lipoprotein (LDL-C, SI units)</span> Estimates concentration of LDL-C in plasma. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the Abbreviated MDRD Study Equation (SI units)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">Glomerular Filtration Rate Estimate by the MDRD Equation (SI units)</span> Estimates glomerular filtration rate based on creatinine and patient characteristics. </p><p class="mt-0"><span class="calcSpec-title">MELD Score for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Quantifies end-stage liver disease for transplant planning. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2008) for End-Stage Liver Disease (NOT appropriate for patients under the age of 12) (SI units)</span> Adds sodium to the MELD model for liver cirrhosis. </p><p class="mt-0"><span class="calcSpec-title">MELDNa Score (2016) (SI units)</span> Quantifies end-stage liver disease. </p><p class="mt-0"><span class="calcSpec-title">Osmolal Gap Calculator (SI units)</span> Calculates osmolal gap to detect unmeasured compounds in serum (SI units). </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p></div></div><div class="card-header" role="tab" id="heading30"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse30" aria-expanded="true" aria-controls="collapse30">Smoking cessation</a></h5></div><div id="collapse30" class="collapse" role="tabpanel" aria-labelledby="heading30"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Fracture Index WITH known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITHOUT known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors not including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Stroke Risk in Diabetes Type 2 UKPDS 60</span> Models chance of a first stroke in type 2 diabetes using risk factors. </p></div></div><div class="card-header" role="tab" id="heading31"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse31" aria-expanded="true" aria-controls="collapse31">Surgery</a></h5></div><div id="collapse31" class="collapse" role="tabpanel" aria-labelledby="heading31"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Brooke estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Demling dextran estimate)</span> Estimates colloid fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Evans estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Modified Brooke crystalloid estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation (Slater estimate)</span> Estimates fluid requirements following burn injury. </p><p class="mt-0"><span class="calcSpec-title">Burn Injury Fluid Resuscitation, Adult (Parkland crystalloid estimate)</span> Often used to estimate fluid requirements in adults following major burn injury. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Non-AAA Vascular Surgery (Lee)</span> Estimates risk of cardiac complications following vascular surgery (non-abdominal aortic aneurysm). </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index for Orthopedic Surgery (Lee)</span> Estimates risk of cardiac complications following orthopedic surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Detsky et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Cardiac Risk Index in Noncardiac Surgery (Goldman, et. al.)</span> Estimates risk of cardiac complications following noncardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Chemistry tests</span> Unit conversions for chemistries. </p><p class="mt-0"><span class="calcSpec-title">Conventional unit to SI unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">EuroSCORE for Cardiac Surgery Risk Assessment (additive version)</span> Calculates risk of mortality in patients undergoing cardiac surgery. </p><p class="mt-0"><span class="calcSpec-title">Gestational Age from Estimated Date of Delivery (EDD)</span> Calculates gestational age based on estimated date of delivery. </p><p class="mt-0"><span class="calcSpec-title">Glasgow Blatchford Score for Gastrointestinal Bleeding</span> Stratifies patients with upper GI bleed, identifying those who can be safely treated as outpatients. </p><p class="mt-0"><span class="calcSpec-title">Injury Severity Score (ISS)</span> Assesses severity of traumatic injury. </p><p class="mt-0"><span class="calcSpec-title">Mangled Extremity Severity Score (MESS score)</span> Estimates viability of an extremity after trauma. </p><p class="mt-0"><span class="calcSpec-title">New Orleans Head CT Criteria</span> Criteria for head CT after head trauma. </p><p class="mt-0"><span class="calcSpec-title">NIH Chronic Prostatitis Symptom Index</span> Assesses symptom severity in men with chronic prostatitis/chronic pelvic pain syndrome. </p><p class="mt-0"><span class="calcSpec-title">Norton Scale to Stratify Risk of Pressure Sores</span> Assessment scale for risk of pressure ulcers. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria</span> Mortality scale for acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">Pancreatitis Prognosis Criteria When Disease Due To Gallstones</span> Mortality scale for gallstone-related acute pancreatitis, based on criteria from admission to day 2 of hospitalization. </p><p class="mt-0"><span class="calcSpec-title">Predicted postoperative FEV1 following lung resection surgery (anatomic method)</span> Predicted postoperative FEV1 after lung resection using lung anatomy. </p><p class="mt-0"><span class="calcSpec-title">Predicted postoperative FEV1 following lung resection surgery (perfusion method)</span> Predicted postoperative FEV1 after lung resection using perfusion scan. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Chemistry and endocrine tests</span> SI unit conversions for chemistries and endocrine tests. </p><p class="mt-0"><span class="calcSpec-title">SI unit to conventional unit conversions: Immunology test values</span> Unit conversions for immunology tests. </p><p class="mt-0"><span class="calcSpec-title">Venous Leg Ulcer Healing Prediction</span> Score for venous leg ulcer healing in 24 weeks based on duration and area. </p></div></div><div class="card-header" role="tab" id="heading32"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse32" aria-expanded="true" aria-controls="collapse32">Women&#39;s Health</a></h5></div><div id="collapse32" class="collapse" role="tabpanel" aria-labelledby="heading32"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Apgar score</span> Assesses neonates 1 and 5 minutes after birth. </p><p class="mt-0"><span class="calcSpec-title">Body Mass Index (BMI) percentiles for girls (2 to 20 years)</span> Assesses whether patient is at a weight appropriate for their height, age, and gender. </p><p class="mt-0"><span class="calcSpec-title">Breast Cancer Recurrence Risk After Mastectomy (simple)</span> Assesses risk of breast cancer recurrence after mastectomy based on tumor grade and lymphatic involvement. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITH known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Fracture Index WITHOUT known Bone Mineral Density (BMD)</span> Calculates risk of fracture based on factors not including bone mineral density. </p><p class="mt-0"><span class="calcSpec-title">Gestational Age from Estimated Date of Delivery (EDD)</span> Calculates gestational age based on estimated date of delivery. </p><p class="mt-0"><span class="calcSpec-title">Irritable Bowel Syndrome Diagnostic Criteria (Manning Criteria)</span> Diagnostic criteria for irritable bowel syndrome. </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment by Composite Linear Estimate (ORACLE score)</span> Osteoporosis risk assessment score (age, BMI, hormone replacement, fracture history, ultrasound bone profile index). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk Assessment Index (ORAI)</span> Osteoporosis risk assessment index (age, body weight). </p><p class="mt-0"><span class="calcSpec-title">Osteoporosis Risk SCORE (Simple Calculated Osteoporosis Risk Estimation)</span> Osteoporosis risk assessment score (ancestry, rheumatoid arthritis, fracture history, age, hormone replacement, weight). </p></div></div><div class="card-header" role="tab" id="heading33"><h5 class="card-header--small mb-0"><a data-toggle="collapse" data-parent="#bySpecialty" href="#collapse33" aria-expanded="true" aria-controls="collapse33">Worker&#39;s Compensation</a></h5></div><div id="collapse33" class="collapse" role="tabpanel" aria-labelledby="heading33"><div class="card-body"><p class="mt-0"><span class="calcSpec-title">Migraine With Aura Diagnostic Criteria</span> Criteria for migraine with aura. </p><p class="mt-0"><span class="calcSpec-title">Migraine Without Aura Diagnostic Criteria</span> Criteria for migraine without aura. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 1</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Oswestry Disability Index Version 2</span> Disability index for low back pain based on questions in 10 areas of function. </p><p class="mt-0"><span class="calcSpec-title">Roland-Morris Disability Score</span> Scoring for physical disability caused by low back pain. </p></div></div></div></div></div></main><!-- Soft Paywall Banner: spbanner --><div class="spbanner fixed-bottom bg-light-4 border-top border-gray"><div class="spbanner-options d-none d-sm-block"><div class="container d-flex py-4 justify-content-center align-items-center"><h3 class="font-weight-bold mb-0 mr-4">Log in or subscribe to access all of BMJ Best Practice</h3><button class="text-uppercase x-btn x-btn-lg x-btn-secondary small" role="button" data-element="paywall-footer-expand-btn" aria-label="Log in or subscribe to access all of BMJ Best Practice , See all options">See all options</button></div></div><div class="spbanner-login shadow-radius text-center pb-4 position-relative"><button type="button" class="d-none d-sm-flex close justify-content-center 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