Coronary Heart Disease - What Is Coronary Heart Disease?

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Research </a> </div> </div> </div> </div> </div> </div> <div class="layout__region layout__region--second"> <div class="field field--name-field-health-topic node-theme-red field__item block block-nhlbi-health-topics block-nhlbi-health-topics-book-name"> <div>Coronary Heart Disease</div> </div> <div class="block block-layout-builder block-field-blocknodehealth-topicstitle"> <h1 class="field field--name-title field--type-string field--label-hidden responsive-container responsive-container-constrained field__item"><span class="ht-kicker">Coronary Heart Disease </span>What Is Coronary Heart Disease?<hr> </h1> </div> <div class="block block-addtoany block-addtoany-block"> <div class="responsive-container responsive-container-constrained"> <span class="a2a_kit a2a_kit_size_24 addtoany_list" data-a2a-url="https://www.nhlbi.nih.gov/health/coronary-heart-disease" data-a2a-title="What Is Coronary Heart Disease?"> <a class="a2a_dd addtoany_share" href="https://www.addtoany.com/share#url=https%3A%2F%2Fwww.nhlbi.nih.gov%2Fhealth%2Fcoronary-heart-disease&title=What%20Is%20Coronary%20Heart%20Disease%3F" title="Share"> <img src="/themes/custom/nhlbi/images/share-alt-icon.svg" alt="Share"> </a> <a class="a2a_button_email" title="Email"></a> <a class="a2a_button_print" title="Print"></a> </span> </div> </div> <div class="language-switcher-language-url block block-language block-language-blocklanguage-content" role="navigation"> <div class="responsive-container responsive-container-constrained"><h2 class="visually-hidden" aria-label="Switch to Espanol">Language switcher</h2><ul class="links"><li hreflang="en" data-drupal-link-system-path="node/93165" class="is-active" aria-current="page"><a href="/health/coronary-heart-disease" class="language-link is-active" hreflang="en" data-drupal-link-system-path="node/93165" aria-current="page">English</a></li><li hreflang="es" data-drupal-link-system-path="node/93165"><a href="/es/salud/cardiopatia-coronaria" class="language-link" hreflang="es" data-drupal-link-system-path="node/93165">Espa帽ol</a></li></ul> </div> </div> <div class="block block-layout-builder block-field-blocknodehealth-topicsfield-component-page-links"> </div> <div class="block block-layout-builder block-field-blocknodehealth-topicsfield-component-sections"> <div class="field field--name-field-component-sections field--type-entity-reference-revisions field--label-hidden"> <div class='field__items'> <div class="paragraph component component-section component-theme-white component-section-theme-white component-section-node-theme- paragraph--type--component-section paragraph--view-mode--default"> <div class="responsive-container responsive-container-constrained"> <div class="field field--name-field-component-section-content field--type-text-long field--label-hidden clearfix field__item"><p> <img data-entity-uuid="28d314f5-06e2-47f0-8ac6-9751ef81431b" data-entity-type="file" alt="Doctor listening to a patient's heart with a stethoscope" data-image-style="16x9_crop" width="768" height="512" data-src="/sites/default/files/styles/16x9_crop/public/inline-images/CoronaryHeartDisease_1189300772_03032022.jpg?itok=qtaG8qgY" class="align-right b-lazy embeddedImageModal" src="/modules/custom/nhlbi_blazy/images/clear.png"> Heart disease is a general term for conditions that affect the heart鈥檚 structure and how it works. Heart disease is the leading cause of death in the United States. </p><p><strong>Coronary heart disease</strong> is a type of heart disease that occurs when the <span data-entity-type="node" data-entity-uuid="91c34abb-245a-4c53-96ab-3eac8929b0c2" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"default","data-glossary-capitalization":"none","data-glossary-plural":"plural","data-glossary-style":"0|0|0"}" data-langcode="en" class="entity-embed-glossary_term embedded-entity"> <a class="glossary-term" href="#" title="Definition of artery " alt="Definition of artery" data-term="artery" data-pronunciation="ARR-tuh-ree" data-definition="A blood vessel that carries blood from the heart to the organs. Most arteries carry oxygenated blood. The pulmonary arteries carry deoxygenated blood away from the heart to the lungs. " role="link"> arteries <i class="fa-solid fa-circle-info"></i></a> </span> of the heart cannot deliver enough <span data-entity-type="node" data-entity-uuid="d845cb0e-1435-4fa3-b2c7-5fdd4d965cb8" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"default","data-glossary-capitalization":"none","data-glossary-plural":"none","data-glossary-style":"0|0|0"}" data-langcode="en" class="entity-embed-glossary_term embedded-entity"> <a class="glossary-term" href="#" title="Definition of oxygen " alt="Definition of oxygen" data-term="oxygen" data-pronunciation="OK-sih-jen" data-definition="A gas that is essential for humans and other animals to live. It is breathed into the lungs from the air. In the lungs, it enters the bloodstream, where red blood cells transport it to cells throughout your body." role="link"> oxygen <i class="fa-solid fa-circle-info"></i></a> </span> -rich blood to the heart muscle due to narrowing from the buildup of fatty deposits called <span data-entity-type="node" data-entity-uuid="4ce59017-5715-472f-bb7a-02168d3ef677" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"default","data-glossary-capitalization":"none","data-glossary-plural":"none","data-glossary-style":"0|0|0"}" data-langcode="en" class="entity-embed-glossary_term embedded-entity"> <a class="glossary-term" href="#" title="Definition of plaque " alt="Definition of plaque" data-term="plaque" data-pronunciation="Plak" data-definition="A substance made up of fat, cholesterol, calcium, and other substances found in the blood. In some cardiovascular diseases, plaque builds up and hardens in arteries. Plaque buildup reduces blood flow and makes it more likely that blood clots will form in the arteries. These blood clots can partially or completely block blood flow and oxygen delivery to the heart, brain, kidneys, or legs, arms, or pelvis." role="link"> plaque <i class="fa-solid fa-circle-info"></i></a> </span> . It is also sometimes called coronary artery disease or ischemic heart disease.</p><p>Coronary heart disease is the most common type of heart disease. In 2022, coronary heart disease caused 371,506 deaths in the United States.</p><p><a href="/health/coronary-heart-disease/symptoms">Symptoms</a> of coronary heart disease vary from person to person. About 1 in 20 adults aged 20 and older have coronary heart disease. But many people don't know they have the disease until they have <a href="/health/angina">chest pain</a>; the blood flow to their heart is blocked, causing a <a href="/health/heart-attack">heart attack</a>; or their heart suddenly stops pumping blood, also known as <a href="/health/cardiac-arrest">cardiac arrest</a>.</p><p>Coronary heart disease affects the larger coronary arteries on the surface of the heart. It is <a href="/health/coronary-heart-disease/causes">caused</a> by deposits of <span data-entity-type="node" data-entity-uuid="37590542-917f-447e-b7d9-72dcdb622b1e" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"default","data-glossary-capitalization":"none","data-glossary-plural":"none","data-glossary-style":"0|0|0"}" data-langcode="en" class="entity-embed-glossary_term embedded-entity"> <a class="glossary-term" href="#" title="Definition of cholesterol " alt="Definition of cholesterol" data-term="cholesterol" data-pronunciation="koh-LES-teh-rol" data-definition="A waxy, fatlike substance that is found in all the cells of the body. High blood cholesterol increases the risk of developing coronary heart disease." role="link"> cholesterol <i class="fa-solid fa-circle-info"></i></a> </span> , a waxy substance that builds up inside the lining of the coronary arteries, forming <span data-entity-type="node" data-entity-uuid="4ce59017-5715-472f-bb7a-02168d3ef677" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"default","data-glossary-capitalization":"none","data-glossary-plural":"none","data-glossary-style":"0|0|0"}" data-langcode="en" class="entity-embed-glossary_term embedded-entity"> <a class="glossary-term" href="#" title="Definition of plaque " alt="Definition of plaque" data-term="plaque" data-pronunciation="Plak" data-definition="A substance made up of fat, cholesterol, calcium, and other substances found in the blood. In some cardiovascular diseases, plaque builds up and hardens in arteries. Plaque buildup reduces blood flow and makes it more likely that blood clots will form in the arteries. These blood clots can partially or completely block blood flow and oxygen delivery to the heart, brain, kidneys, or legs, arms, or pelvis." role="link"> plaque <i class="fa-solid fa-circle-info"></i></a> </span> . This plaque can partly or completely block blood flow in the arteries of the heart:</p><ul><li><strong>Obstructive coronary artery disease </strong>means that the diameter of a large coronary artery is blocked by 50% or more.</li><li><strong>Nonobstructive coronary artery disease</strong> means that the blood flow in a large coronary artery is blocked less than 50%.</li><li><strong>Coronary microvascular disease</strong> means blood flow into the tiny arteries within the heart muscle is blocked. This happens when there is damage to the inner walls of the heart's small blood vessels. Coronary microvascular disease is more common in <a href="/health/coronary-heart-disease/women">women</a>.</li></ul><p>For most people, coronary heart disease is <a href="/health/coronary-heart-disease/causes">preventable</a> with a <a href="/health/heart-healthy-living">heart-healthy lifestyle</a> and medicines. You may be able to stop or reverse plaque buildup in coronary arteries.</p><p>Learn more about <a href="/health/heart">how the heart works</a>.</p><p>Your healthcare provider will <a href="/health/coronary-heart-disease/diagnosis">diagnose</a> coronary heart disease based on your <a href="/health/coronary-heart-disease/symptoms">symptoms</a>, your medical and family history, your <a href="/health/coronary-heart-disease/causes">risk factors</a>, and the results from <a href="/health/heart-tests">heart tests</a>.</p><p>If you have coronary heart disease, you may need heart-healthy lifestyle changes, medicines, <a href="/health/heart-surgery">surgery</a>, or a combination of these to manage your condition and <a href="/health/coronary-heart-disease/living-with">prevent serious problems</a>.</p><p> <div data-entity-type="node" data-entity-uuid="c024f5df-d7e7-43b6-b9e2-1f9d5153f3b2" data-embed-button="node" data-entity-embed-display="entity_reference:entity_reference_entity_view" data-entity-embed-display-settings="{"view_mode":"callout_descriptive","data-callout-width":"full"}" data-langcode="en" class="callout-embed-width-full entity-embed-callout embedded-entity"> <article class="node node--type-callout node--promoted node--view-mode-callout-descriptive red"> <div class="node__content"> <div class="component-callout-container component-callout-container-descriptive component-callout-container-descriptive-red component-callout-container-descriptive-white callout-descriptive-with-image"> <div class="callout-descriptive"> <div class="callout-descriptive-image"> <div class="field field--name-field-callout-descriptive-image field--type-image field--label-hidden field__item"> <img loading="lazy" src="/modules/custom/nhlbi_blazy/images/clear.png" width="720" height="480" alt="Doctor checking heart of patient with a stethoscope, with an illustration of a heart around the image" data-src="/sites/default/files/styles/crop_callout/public/2024-12/callout-know-the-difference-fact-sheet.jpg?itok=vobbOYAM" class="b-lazy image-style-crop-callout"> </div> </div> <div class="callout-descriptive-text"> <div class="field field--name-field-kicker field--type-string field--label-hidden field__item">FACTSHEET</div> <div class="field field--name-field-callout-description field--type-text-long field--label-hidden field__item"> <h3>Know the Difference </h3><p>Learn basic facts about the various diseases that affect the heart.</p> </div> <div class="nhlbi_text_link_button nhlbi_text_link_button_red field--name-field-callout-link"> <a href="/resources/know-differences-cardiovascular-disease-heart-disease-coronary-heart-disease" aria-label="View the fact sheet">View the fact sheet<span class="fa-left-icon fa-li fa-li-red"><i class="fas fa-chevron-circle-right"></i></span></a> </div> </div> </div> </div> </div> </article> </div> </p></div> </div> </div> </div> </div> </div> <div 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