CINXE.COM

Pediatric Diseases and Conditions: K

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head><meta http-equiv="Content-Type" content="text/html;&#32;charset=UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=Edge" /><script type="text/javascript">window.NREUM||(NREUM={});NREUM.info = {"beacon":"bam.nr-data.net","errorBeacon":"bam.nr-data.net","licenseKey":"NRJS-60341a8e5ba764cea61","applicationID":"589669330","transactionName":"NlYAY0FQWhADVhINXw8cI2RjHlAGBFQTCERPUhFHSw==","queueTime":1,"applicationTime":266,"agent":"","atts":"","sslForHttp":"true"}</script><script type="text/javascript">(window.NREUM||(NREUM={})).init={privacy:{cookies_enabled:false},ajax:{deny_list:["bam.nr-data.net"]}};(window.NREUM||(NREUM={})).loader_config={xpid:"VgEOUldTABAFXFhUAQgEVVQ=",licenseKey:"NRJS-60341a8e5ba764cea61",applicationID:"589669330"};window.NREUM||(NREUM={}),__nr_require=function(t,e,n){function r(n){if(!e[n]){var i=e[n]={exports:{}};t[n][0].call(i.exports,function(e){var i=t[n][1][e];return r(i||e)},i,i.exports)}return e[n].exports}if("function"==typeof __nr_require)return __nr_require;for(var i=0;i<n.length;i++)r(n[i]);return r}({1:[function(t,e,n){function r(t){try{s.console&&console.log(t)}catch(e){}}var i,o=t("ee"),a=t(27),s={};try{i=localStorage.getItem("__nr_flags").split(","),console&&"function"==typeof console.log&&(s.console=!0,i.indexOf("dev")!==-1&&(s.dev=!0),i.indexOf("nr_dev")!==-1&&(s.nrDev=!0))}catch(c){}s.nrDev&&o.on("internal-error",function(t){r(t.stack)}),s.dev&&o.on("fn-err",function(t,e,n){r(n.stack)}),s.dev&&(r("NR AGENT IN DEVELOPMENT MODE"),r("flags: "+a(s,function(t,e){return t}).join(", ")))},{}],2:[function(t,e,n){function r(t,e,n,r,s){try{p?p-=1:i(s||new UncaughtException(t,e,n),!0)}catch(f){try{o("ierr",[f,c.now(),!0])}catch(d){}}return"function"==typeof u&&u.apply(this,a(arguments))}function UncaughtException(t,e,n){this.message=t||"Uncaught error with no additional information",this.sourceURL=e,this.line=n}function i(t,e){var n=e?null:c.now();o("err",[t,n])}var o=t("handle"),a=t(28),s=t("ee"),c=t("loader"),f=t("gos"),u=window.onerror,d=!1,l="nr@seenError";if(!c.disabled){var p=0;c.features.err=!0,t(1),window.onerror=r;try{throw new Error}catch(h){"stack"in h&&(t(10),t(9),"addEventListener"in window&&t(6),c.xhrWrappable&&t(11),d=!0)}s.on("fn-start",function(t,e,n){d&&(p+=1)}),s.on("fn-err",function(t,e,n){d&&!n[l]&&(f(n,l,function(){return!0}),this.thrown=!0,i(n))}),s.on("fn-end",function(){d&&!this.thrown&&p>0&&(p-=1)}),s.on("internal-error",function(t){o("ierr",[t,c.now(),!0])})}},{}],3:[function(t,e,n){var r=t("loader");r.disabled||(r.features.ins=!0)},{}],4:[function(t,e,n){function r(){var t=new PerformanceObserver(function(t,e){var n=t.getEntries();s(v,[n])});try{t.observe({entryTypes:["resource"]})}catch(e){}}function i(t){if(s(v,[window.performance.getEntriesByType(w)]),window.performance["c"+l])try{window.performance[h](m,i,!1)}catch(t){}else try{window.performance[h]("webkit"+m,i,!1)}catch(t){}}function o(t){}if(window.performance&&window.performance.timing&&window.performance.getEntriesByType){var a=t("ee"),s=t("handle"),c=t(10),f=t(9),u=t(5),d=t(19),l="learResourceTimings",p="addEventListener",h="removeEventListener",m="resourcetimingbufferfull",v="bstResource",w="resource",g="-start",y="-end",x="fn"+g,b="fn"+y,E="bstTimer",R="pushState",S=t("loader");if(!S.disabled){S.features.stn=!0,t(8),"addEventListener"in window&&t(6);var O=NREUM.o.EV;a.on(x,function(t,e){var n=t[0];n instanceof O&&(this.bstStart=S.now())}),a.on(b,function(t,e){var n=t[0];n instanceof O&&s("bst",[n,e,this.bstStart,S.now()])}),c.on(x,function(t,e,n){this.bstStart=S.now(),this.bstType=n}),c.on(b,function(t,e){s(E,[e,this.bstStart,S.now(),this.bstType])}),f.on(x,function(){this.bstStart=S.now()}),f.on(b,function(t,e){s(E,[e,this.bstStart,S.now(),"requestAnimationFrame"])}),a.on(R+g,function(t){this.time=S.now(),this.startPath=location.pathname+location.hash}),a.on(R+y,function(t){s("bstHist",[location.pathname+location.hash,this.startPath,this.time])}),u()?(s(v,[window.performance.getEntriesByType("resource")]),r()):p in window.performance&&(window.performance["c"+l]?window.performance[p](m,i,d(!1)):window.performance[p]("webkit"+m,i,d(!1))),document[p]("scroll",o,d(!1)),document[p]("keypress",o,d(!1)),document[p]("click",o,d(!1))}}},{}],5:[function(t,e,n){e.exports=function(){return"PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver}},{}],6:[function(t,e,n){function r(t){for(var e=t;e&&!e.hasOwnProperty(u);)e=Object.getPrototypeOf(e);e&&i(e)}function i(t){s.inPlace(t,[u,d],"-",o)}function o(t,e){return t[1]}var a=t("ee").get("events"),s=t("wrap-function")(a,!0),c=t("gos"),f=XMLHttpRequest,u="addEventListener",d="removeEventListener";e.exports=a,"getPrototypeOf"in Object?(r(document),r(window),r(f.prototype)):f.prototype.hasOwnProperty(u)&&(i(window),i(f.prototype)),a.on(u+"-start",function(t,e){var n=t[1];if(null!==n&&("function"==typeof n||"object"==typeof n)){var r=c(n,"nr@wrapped",function(){function t(){if("function"==typeof n.handleEvent)return n.handleEvent.apply(n,arguments)}var e={object:t,"function":n}[typeof n];return e?s(e,"fn-",null,e.name||"anonymous"):n});this.wrapped=t[1]=r}}),a.on(d+"-start",function(t){t[1]=this.wrapped||t[1]})},{}],7:[function(t,e,n){function r(t,e,n){var r=t[e];"function"==typeof r&&(t[e]=function(){var t=o(arguments),e={};i.emit(n+"before-start",[t],e);var a;e[m]&&e[m].dt&&(a=e[m].dt);var s=r.apply(this,t);return i.emit(n+"start",[t,a],s),s.then(function(t){return i.emit(n+"end",[null,t],s),t},function(t){throw i.emit(n+"end",[t],s),t})})}var i=t("ee").get("fetch"),o=t(28),a=t(27);e.exports=i;var s=window,c="fetch-",f=c+"body-",u=["arrayBuffer","blob","json","text","formData"],d=s.Request,l=s.Response,p=s.fetch,h="prototype",m="nr@context";d&&l&&p&&(a(u,function(t,e){r(d[h],e,f),r(l[h],e,f)}),r(s,"fetch",c),i.on(c+"end",function(t,e){var n=this;if(e){var r=e.headers.get("content-length");null!==r&&(n.rxSize=r),i.emit(c+"done",[null,e],n)}else i.emit(c+"done",[t],n)}))},{}],8:[function(t,e,n){var r=t("ee").get("history"),i=t("wrap-function")(r);e.exports=r;var o=window.history&&window.history.constructor&&window.history.constructor.prototype,a=window.history;o&&o.pushState&&o.replaceState&&(a=o),i.inPlace(a,["pushState","replaceState"],"-")},{}],9:[function(t,e,n){var r=t("ee").get("raf"),i=t("wrap-function")(r),o="equestAnimationFrame";e.exports=r,i.inPlace(window,["r"+o,"mozR"+o,"webkitR"+o,"msR"+o],"raf-"),r.on("raf-start",function(t){t[0]=i(t[0],"fn-")})},{}],10:[function(t,e,n){function r(t,e,n){t[0]=a(t[0],"fn-",null,n)}function i(t,e,n){this.method=n,this.timerDuration=isNaN(t[1])?0:+t[1],t[0]=a(t[0],"fn-",this,n)}var o=t("ee").get("timer"),a=t("wrap-function")(o),s="setTimeout",c="setInterval",f="clearTimeout",u="-start",d="-";e.exports=o,a.inPlace(window,[s,"setImmediate"],s+d),a.inPlace(window,[c],c+d),a.inPlace(window,[f,"clearImmediate"],f+d),o.on(c+u,r),o.on(s+u,i)},{}],11:[function(t,e,n){function r(t,e){d.inPlace(e,["onreadystatechange"],"fn-",s)}function i(){var t=this,e=u.context(t);t.readyState>3&&!e.resolved&&(e.resolved=!0,u.emit("xhr-resolved",[],t)),d.inPlace(t,y,"fn-",s)}function o(t){x.push(t),m&&(E?E.then(a):w?w(a):(R=-R,S.data=R))}function a(){for(var t=0;t<x.length;t++)r([],x[t]);x.length&&(x=[])}function s(t,e){return e}function c(t,e){for(var n in t)e[n]=t[n];return e}t(6);var f=t("ee"),u=f.get("xhr"),d=t("wrap-function")(u),l=t(19),p=NREUM.o,h=p.XHR,m=p.MO,v=p.PR,w=p.SI,g="readystatechange",y=["onload","onerror","onabort","onloadstart","onloadend","onprogress","ontimeout"],x=[];e.exports=u;var b=window.XMLHttpRequest=function(t){var e=new h(t);try{u.emit("new-xhr",[e],e),e.addEventListener(g,i,l(!1))}catch(n){try{u.emit("internal-error",[n])}catch(r){}}return e};if(c(h,b),b.prototype=h.prototype,d.inPlace(b.prototype,["open","send"],"-xhr-",s),u.on("send-xhr-start",function(t,e){r(t,e),o(e)}),u.on("open-xhr-start",r),m){var E=v&&v.resolve();if(!w&&!v){var R=1,S=document.createTextNode(R);new m(a).observe(S,{characterData:!0})}}else f.on("fn-end",function(t){t[0]&&t[0].type===g||a()})},{}],12:[function(t,e,n){function r(t){if(!s(t))return null;var e=window.NREUM;if(!e.loader_config)return null;var n=(e.loader_config.accountID||"").toString()||null,r=(e.loader_config.agentID||"").toString()||null,f=(e.loader_config.trustKey||"").toString()||null;if(!n||!r)return null;var h=p.generateSpanId(),m=p.generateTraceId(),v=Date.now(),w={spanId:h,traceId:m,timestamp:v};return(t.sameOrigin||c(t)&&l())&&(w.traceContextParentHeader=i(h,m),w.traceContextStateHeader=o(h,v,n,r,f)),(t.sameOrigin&&!u()||!t.sameOrigin&&c(t)&&d())&&(w.newrelicHeader=a(h,m,v,n,r,f)),w}function i(t,e){return"00-"+e+"-"+t+"-01"}function o(t,e,n,r,i){var o=0,a="",s=1,c="",f="";return i+"@nr="+o+"-"+s+"-"+n+"-"+r+"-"+t+"-"+a+"-"+c+"-"+f+"-"+e}function a(t,e,n,r,i,o){var a="btoa"in window&&"function"==typeof window.btoa;if(!a)return null;var s={v:[0,1],d:{ty:"Browser",ac:r,ap:i,id:t,tr:e,ti:n}};return o&&r!==o&&(s.d.tk=o),btoa(JSON.stringify(s))}function s(t){return f()&&c(t)}function c(t){var e=!1,n={};if("init"in NREUM&&"distributed_tracing"in NREUM.init&&(n=NREUM.init.distributed_tracing),t.sameOrigin)e=!0;else if(n.allowed_origins instanceof Array)for(var r=0;r<n.allowed_origins.length;r++){var i=h(n.allowed_origins[r]);if(t.hostname===i.hostname&&t.protocol===i.protocol&&t.port===i.port){e=!0;break}}return e}function f(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.enabled}function u(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.exclude_newrelic_header}function d(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&NREUM.init.distributed_tracing.cors_use_newrelic_header!==!1}function l(){return"init"in NREUM&&"distributed_tracing"in NREUM.init&&!!NREUM.init.distributed_tracing.cors_use_tracecontext_headers}var p=t(24),h=t(14);e.exports={generateTracePayload:r,shouldGenerateTrace:s}},{}],13:[function(t,e,n){function r(t){var e=this.params,n=this.metrics;if(!this.ended){this.ended=!0;for(var r=0;r<l;r++)t.removeEventListener(d[r],this.listener,!1);return e.protocol&&"data"===e.protocol?void g("Ajax/DataUrl/Excluded"):void(e.aborted||(n.duration=a.now()-this.startTime,this.loadCaptureCalled||4!==t.readyState?null==e.status&&(e.status=0):o(this,t),n.cbTime=this.cbTime,s("xhr",[e,n,this.startTime,this.endTime,"xhr"],this)))}}function i(t,e){var n=c(e),r=t.params;r.hostname=n.hostname,r.port=n.port,r.protocol=n.protocol,r.host=n.hostname+":"+n.port,r.pathname=n.pathname,t.parsedOrigin=n,t.sameOrigin=n.sameOrigin}function o(t,e){t.params.status=e.status;var n=v(e,t.lastSize);if(n&&(t.metrics.rxSize=n),t.sameOrigin){var r=e.getResponseHeader("X-NewRelic-App-Data");r&&(t.params.cat=r.split(", ").pop())}t.loadCaptureCalled=!0}var a=t("loader");if(a.xhrWrappable&&!a.disabled){var s=t("handle"),c=t(14),f=t(12).generateTracePayload,u=t("ee"),d=["load","error","abort","timeout"],l=d.length,p=t("id"),h=t(20),m=t(18),v=t(15),w=t(19),g=t(21).recordSupportability,y=NREUM.o.REQ,x=window.XMLHttpRequest;a.features.xhr=!0,t(11),t(7),u.on("new-xhr",function(t){var e=this;e.totalCbs=0,e.called=0,e.cbTime=0,e.end=r,e.ended=!1,e.xhrGuids={},e.lastSize=null,e.loadCaptureCalled=!1,e.params=this.params||{},e.metrics=this.metrics||{},t.addEventListener("load",function(n){o(e,t)},w(!1)),h&&(h>34||h<10)||t.addEventListener("progress",function(t){e.lastSize=t.loaded},w(!1))}),u.on("open-xhr-start",function(t){this.params={method:t[0]},i(this,t[1]),this.metrics={}}),u.on("open-xhr-end",function(t,e){"loader_config"in NREUM&&"xpid"in NREUM.loader_config&&this.sameOrigin&&e.setRequestHeader("X-NewRelic-ID",NREUM.loader_config.xpid);var n=f(this.parsedOrigin);if(n){var r=!1;n.newrelicHeader&&(e.setRequestHeader("newrelic",n.newrelicHeader),r=!0),n.traceContextParentHeader&&(e.setRequestHeader("traceparent",n.traceContextParentHeader),n.traceContextStateHeader&&e.setRequestHeader("tracestate",n.traceContextStateHeader),r=!0),r&&(this.dt=n)}}),u.on("send-xhr-start",function(t,e){var n=this.metrics,r=t[0],i=this;if(n&&r){var o=m(r);o&&(n.txSize=o)}this.startTime=a.now(),this.listener=function(t){try{"abort"!==t.type||i.loadCaptureCalled||(i.params.aborted=!0),("load"!==t.type||i.called===i.totalCbs&&(i.onloadCalled||"function"!=typeof e.onload))&&i.end(e)}catch(n){try{u.emit("internal-error",[n])}catch(r){}}};for(var s=0;s<l;s++)e.addEventListener(d[s],this.listener,w(!1))}),u.on("xhr-cb-time",function(t,e,n){this.cbTime+=t,e?this.onloadCalled=!0:this.called+=1,this.called!==this.totalCbs||!this.onloadCalled&&"function"==typeof n.onload||this.end(n)}),u.on("xhr-load-added",function(t,e){var n=""+p(t)+!!e;this.xhrGuids&&!this.xhrGuids[n]&&(this.xhrGuids[n]=!0,this.totalCbs+=1)}),u.on("xhr-load-removed",function(t,e){var n=""+p(t)+!!e;this.xhrGuids&&this.xhrGuids[n]&&(delete this.xhrGuids[n],this.totalCbs-=1)}),u.on("xhr-resolved",function(){this.endTime=a.now()}),u.on("addEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-added",[t[1],t[2]],e)}),u.on("removeEventListener-end",function(t,e){e instanceof x&&"load"===t[0]&&u.emit("xhr-load-removed",[t[1],t[2]],e)}),u.on("fn-start",function(t,e,n){e instanceof x&&("onload"===n&&(this.onload=!0),("load"===(t[0]&&t[0].type)||this.onload)&&(this.xhrCbStart=a.now()))}),u.on("fn-end",function(t,e){this.xhrCbStart&&u.emit("xhr-cb-time",[a.now()-this.xhrCbStart,this.onload,e],e)}),u.on("fetch-before-start",function(t){function e(t,e){var n=!1;return e.newrelicHeader&&(t.set("newrelic",e.newrelicHeader),n=!0),e.traceContextParentHeader&&(t.set("traceparent",e.traceContextParentHeader),e.traceContextStateHeader&&t.set("tracestate",e.traceContextStateHeader),n=!0),n}var n,r=t[1]||{};"string"==typeof t[0]?n=t[0]:t[0]&&t[0].url?n=t[0].url:window.URL&&t[0]&&t[0]instanceof URL&&(n=t[0].href),n&&(this.parsedOrigin=c(n),this.sameOrigin=this.parsedOrigin.sameOrigin);var i=f(this.parsedOrigin);if(i&&(i.newrelicHeader||i.traceContextParentHeader))if("string"==typeof t[0]||window.URL&&t[0]&&t[0]instanceof URL){var o={};for(var a in r)o[a]=r[a];o.headers=new Headers(r.headers||{}),e(o.headers,i)&&(this.dt=i),t.length>1?t[1]=o:t.push(o)}else t[0]&&t[0].headers&&e(t[0].headers,i)&&(this.dt=i)}),u.on("fetch-start",function(t,e){this.params={},this.metrics={},this.startTime=a.now(),this.dt=e,t.length>=1&&(this.target=t[0]),t.length>=2&&(this.opts=t[1]);var n,r=this.opts||{},o=this.target;if("string"==typeof o?n=o:"object"==typeof o&&o instanceof y?n=o.url:window.URL&&"object"==typeof o&&o instanceof URL&&(n=o.href),i(this,n),"data"!==this.params.protocol){var s=(""+(o&&o instanceof y&&o.method||r.method||"GET")).toUpperCase();this.params.method=s,this.txSize=m(r.body)||0}}),u.on("fetch-done",function(t,e){if(this.endTime=a.now(),this.params||(this.params={}),"data"===this.params.protocol)return void g("Ajax/DataUrl/Excluded");this.params.status=e?e.status:0;var n;"string"==typeof this.rxSize&&this.rxSize.length>0&&(n=+this.rxSize);var r={txSize:this.txSize,rxSize:n,duration:a.now()-this.startTime};s("xhr",[this.params,r,this.startTime,this.endTime,"fetch"],this)})}},{}],14:[function(t,e,n){var r={};e.exports=function(t){if(t in r)return r[t];if(0===(t||"").indexOf("data:"))return{protocol:"data"};var e=document.createElement("a"),n=window.location,i={};e.href=t,i.port=e.port;var o=e.href.split("://");!i.port&&o[1]&&(i.port=o[1].split("/")[0].split("@").pop().split(":")[1]),i.port&&"0"!==i.port||(i.port="https"===o[0]?"443":"80"),i.hostname=e.hostname||n.hostname,i.pathname=e.pathname,i.protocol=o[0],"/"!==i.pathname.charAt(0)&&(i.pathname="/"+i.pathname);var a=!e.protocol||":"===e.protocol||e.protocol===n.protocol,s=e.hostname===document.domain&&e.port===n.port;return i.sameOrigin=a&&(!e.hostname||s),"/"===i.pathname&&(r[t]=i),i}},{}],15:[function(t,e,n){function r(t,e){var n=t.responseType;return"json"===n&&null!==e?e:"arraybuffer"===n||"blob"===n||"json"===n?i(t.response):"text"===n||""===n||void 0===n?i(t.responseText):void 0}var i=t(18);e.exports=r},{}],16:[function(t,e,n){function r(){}function i(t,e,n,r){return function(){return u.recordSupportability("API/"+e+"/called"),o(t+e,[f.now()].concat(s(arguments)),n?null:this,r),n?void 0:this}}var o=t("handle"),a=t(27),s=t(28),c=t("ee").get("tracer"),f=t("loader"),u=t(21),d=NREUM;"undefined"==typeof window.newrelic&&(newrelic=d);var l=["setPageViewName","setCustomAttribute","setErrorHandler","finished","addToTrace","inlineHit","addRelease"],p="api-",h=p+"ixn-";a(l,function(t,e){d[e]=i(p,e,!0,"api")}),d.addPageAction=i(p,"addPageAction",!0),d.setCurrentRouteName=i(p,"routeName",!0),e.exports=newrelic,d.interaction=function(){return(new r).get()};var m=r.prototype={createTracer:function(t,e){var n={},r=this,i="function"==typeof e;return o(h+"tracer",[f.now(),t,n],r),function(){if(c.emit((i?"":"no-")+"fn-start",[f.now(),r,i],n),i)try{return e.apply(this,arguments)}catch(t){throw c.emit("fn-err",[arguments,this,t],n),t}finally{c.emit("fn-end",[f.now()],n)}}}};a("actionText,setName,setAttribute,save,ignore,onEnd,getContext,end,get".split(","),function(t,e){m[e]=i(h,e)}),newrelic.noticeError=function(t,e){"string"==typeof t&&(t=new Error(t)),u.recordSupportability("API/noticeError/called"),o("err",[t,f.now(),!1,e])}},{}],17:[function(t,e,n){function r(t){if(NREUM.init){for(var e=NREUM.init,n=t.split("."),r=0;r<n.length-1;r++)if(e=e[n[r]],"object"!=typeof e)return;return e=e[n[n.length-1]]}}e.exports={getConfiguration:r}},{}],18:[function(t,e,n){e.exports=function(t){if("string"==typeof t&&t.length)return t.length;if("object"==typeof t){if("undefined"!=typeof ArrayBuffer&&t instanceof ArrayBuffer&&t.byteLength)return t.byteLength;if("undefined"!=typeof Blob&&t instanceof Blob&&t.size)return t.size;if(!("undefined"!=typeof FormData&&t instanceof FormData))try{return JSON.stringify(t).length}catch(e){return}}}},{}],19:[function(t,e,n){var r=!1;try{var i=Object.defineProperty({},"passive",{get:function(){r=!0}});window.addEventListener("testPassive",null,i),window.removeEventListener("testPassive",null,i)}catch(o){}e.exports=function(t){return r?{passive:!0,capture:!!t}:!!t}},{}],20:[function(t,e,n){var r=0,i=navigator.userAgent.match(/Firefox[\/\s](\d+\.\d+)/);i&&(r=+i[1]),e.exports=r},{}],21:[function(t,e,n){function r(t,e){var n=[a,t,{name:t},e];return o("storeMetric",n,null,"api"),n}function i(t,e){var n=[s,t,{name:t},e];return o("storeEventMetrics",n,null,"api"),n}var o=t("handle"),a="sm",s="cm";e.exports={constants:{SUPPORTABILITY_METRIC:a,CUSTOM_METRIC:s},recordSupportability:r,recordCustom:i}},{}],22:[function(t,e,n){function r(){return s.exists&&performance.now?Math.round(performance.now()):(o=Math.max((new Date).getTime(),o))-a}function i(){return o}var o=(new Date).getTime(),a=o,s=t(29);e.exports=r,e.exports.offset=a,e.exports.getLastTimestamp=i},{}],23:[function(t,e,n){function r(t,e){var n=t.getEntries();n.forEach(function(t){"first-paint"===t.name?p("timing",["fp",Math.floor(t.startTime)]):"first-contentful-paint"===t.name&&p("timing",["fcp",Math.floor(t.startTime)])})}function i(t,e){var n=t.getEntries();if(n.length>0){var r=n[n.length-1];if(f&&f<r.startTime)return;var i=[r],o=a({});o&&i.push(o),p("lcp",i)}}function o(t){t.getEntries().forEach(function(t){t.hadRecentInput||p("cls",[t])})}function a(t){var e=navigator.connection||navigator.mozConnection||navigator.webkitConnection;if(e)return e.type&&(t["net-type"]=e.type),e.effectiveType&&(t["net-etype"]=e.effectiveType),e.rtt&&(t["net-rtt"]=e.rtt),e.downlink&&(t["net-dlink"]=e.downlink),t}function s(t){if(t instanceof w&&!y){var e=Math.round(t.timeStamp),n={type:t.type};a(n),e<=h.now()?n.fid=h.now()-e:e>h.offset&&e<=Date.now()?(e-=h.offset,n.fid=h.now()-e):e=h.now(),y=!0,p("timing",["fi",e,n])}}function c(t){"hidden"===t&&(f=h.now(),p("pageHide",[f]))}if(!("init"in NREUM&&"page_view_timing"in NREUM.init&&"enabled"in NREUM.init.page_view_timing&&NREUM.init.page_view_timing.enabled===!1)){var f,u,d,l,p=t("handle"),h=t("loader"),m=t(26),v=t(19),w=NREUM.o.EV;if("PerformanceObserver"in window&&"function"==typeof window.PerformanceObserver){u=new PerformanceObserver(r);try{u.observe({entryTypes:["paint"]})}catch(g){}d=new PerformanceObserver(i);try{d.observe({entryTypes:["largest-contentful-paint"]})}catch(g){}l=new PerformanceObserver(o);try{l.observe({type:"layout-shift",buffered:!0})}catch(g){}}if("addEventListener"in document){var y=!1,x=["click","keydown","mousedown","pointerdown","touchstart"];x.forEach(function(t){document.addEventListener(t,s,v(!1))})}m(c)}},{}],24:[function(t,e,n){function r(){function t(){return e?15&e[n++]:16*Math.random()|0}var e=null,n=0,r=window.crypto||window.msCrypto;r&&r.getRandomValues&&(e=r.getRandomValues(new Uint8Array(31)));for(var i,o="xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx",a="",s=0;s<o.length;s++)i=o[s],"x"===i?a+=t().toString(16):"y"===i?(i=3&t()|8,a+=i.toString(16)):a+=i;return a}function i(){return a(16)}function o(){return a(32)}function a(t){function e(){return n?15&n[r++]:16*Math.random()|0}var n=null,r=0,i=window.crypto||window.msCrypto;i&&i.getRandomValues&&Uint8Array&&(n=i.getRandomValues(new Uint8Array(t)));for(var o=[],a=0;a<t;a++)o.push(e().toString(16));return o.join("")}e.exports={generateUuid:r,generateSpanId:i,generateTraceId:o}},{}],25:[function(t,e,n){function r(t,e){if(!i)return!1;if(t!==i)return!1;if(!e)return!0;if(!o)return!1;for(var n=o.split("."),r=e.split("."),a=0;a<r.length;a++)if(r[a]!==n[a])return!1;return!0}var i=null,o=null,a=/Version\/(\S+)\s+Safari/;if(navigator.userAgent){var s=navigator.userAgent,c=s.match(a);c&&s.indexOf("Chrome")===-1&&s.indexOf("Chromium")===-1&&(i="Safari",o=c[1])}e.exports={agent:i,version:o,match:r}},{}],26:[function(t,e,n){function r(t){function e(){t(s&&document[s]?document[s]:document[o]?"hidden":"visible")}"addEventListener"in document&&a&&document.addEventListener(a,e,i(!1))}var i=t(19);e.exports=r;var o,a,s;"undefined"!=typeof document.hidden?(o="hidden",a="visibilitychange",s="visibilityState"):"undefined"!=typeof document.msHidden?(o="msHidden",a="msvisibilitychange"):"undefined"!=typeof document.webkitHidden&&(o="webkitHidden",a="webkitvisibilitychange",s="webkitVisibilityState")},{}],27:[function(t,e,n){function r(t,e){var n=[],r="",o=0;for(r in t)i.call(t,r)&&(n[o]=e(r,t[r]),o+=1);return n}var i=Object.prototype.hasOwnProperty;e.exports=r},{}],28:[function(t,e,n){function r(t,e,n){e||(e=0),"undefined"==typeof n&&(n=t?t.length:0);for(var r=-1,i=n-e||0,o=Array(i<0?0:i);++r<i;)o[r]=t[e+r];return o}e.exports=r},{}],29:[function(t,e,n){e.exports={exists:"undefined"!=typeof window.performance&&window.performance.timing&&"undefined"!=typeof window.performance.timing.navigationStart}},{}],ee:[function(t,e,n){function r(){}function i(t){function e(t){return t&&t instanceof r?t:t?f(t,c,a):a()}function n(n,r,i,o,a){if(a!==!1&&(a=!0),!p.aborted||o){t&&a&&t(n,r,i);for(var s=e(i),c=m(n),f=c.length,u=0;u<f;u++)c[u].apply(s,r);var l=d[y[n]];return l&&l.push([x,n,r,s]),s}}function o(t,e){g[t]=m(t).concat(e)}function h(t,e){var n=g[t];if(n)for(var r=0;r<n.length;r++)n[r]===e&&n.splice(r,1)}function m(t){return g[t]||[]}function v(t){return l[t]=l[t]||i(n)}function w(t,e){p.aborted||u(t,function(t,n){e=e||"feature",y[n]=e,e in d||(d[e]=[])})}var g={},y={},x={on:o,addEventListener:o,removeEventListener:h,emit:n,get:v,listeners:m,context:e,buffer:w,abort:s,aborted:!1};return x}function o(t){return f(t,c,a)}function a(){return new r}function s(){(d.api||d.feature)&&(p.aborted=!0,d=p.backlog={})}var c="nr@context",f=t("gos"),u=t(27),d={},l={},p=e.exports=i();e.exports.getOrSetContext=o,p.backlog=d},{}],gos:[function(t,e,n){function r(t,e,n){if(i.call(t,e))return t[e];var r=n();if(Object.defineProperty&&Object.keys)try{return Object.defineProperty(t,e,{value:r,writable:!0,enumerable:!1}),r}catch(o){}return t[e]=r,r}var i=Object.prototype.hasOwnProperty;e.exports=r},{}],handle:[function(t,e,n){function r(t,e,n,r){i.buffer([t],r),i.emit(t,e,n)}var i=t("ee").get("handle");e.exports=r,r.ee=i},{}],id:[function(t,e,n){function r(t){var e=typeof t;return!t||"object"!==e&&"function"!==e?-1:t===window?0:a(t,o,function(){return i++})}var i=1,o="nr@id",a=t("gos");e.exports=r},{}],loader:[function(t,e,n){function r(){if(!O++){var t=S.info=NREUM.info,e=m.getElementsByTagName("script")[0];if(setTimeout(f.abort,3e4),!(t&&t.licenseKey&&t.applicationID&&e))return f.abort();c(E,function(e,n){t[e]||(t[e]=n)});var n=a();s("mark",["onload",n+S.offset],null,"api"),s("timing",["load",n]);var r=m.createElement("script");0===t.agent.indexOf("http://")||0===t.agent.indexOf("https://")?r.src=t.agent:r.src=p+"://"+t.agent,e.parentNode.insertBefore(r,e)}}function i(){"complete"===m.readyState&&o()}function o(){s("mark",["domContent",a()+S.offset],null,"api")}var a=t(22),s=t("handle"),c=t(27),f=t("ee"),u=t(25),d=t(17),l=t(19),p=d.getConfiguration("ssl")===!1?"http":"https",h=window,m=h.document,v="addEventListener",w="attachEvent",g=h.XMLHttpRequest,y=g&&g.prototype,x=!1;NREUM.o={ST:setTimeout,SI:h.setImmediate,CT:clearTimeout,XHR:g,REQ:h.Request,EV:h.Event,PR:h.Promise,MO:h.MutationObserver};var b=""+location,E={beacon:"bam.nr-data.net",errorBeacon:"bam.nr-data.net",agent:"js-agent.newrelic.com/nr-1216.min.js"},R=g&&y&&y[v]&&!/CriOS/.test(navigator.userAgent),S=e.exports={offset:a.getLastTimestamp(),now:a,origin:b,features:{},xhrWrappable:R,userAgent:u,disabled:x};if(!x){t(16),t(23),m[v]?(m[v]("DOMContentLoaded",o,l(!1)),h[v]("load",r,l(!1))):(m[w]("onreadystatechange",i),h[w]("onload",r)),s("mark",["firstbyte",a.getLastTimestamp()],null,"api");var O=0}},{}],"wrap-function":[function(t,e,n){function r(t,e){function n(e,n,r,c,f){function nrWrapper(){var o,a,u,l;try{a=this,o=d(arguments),u="function"==typeof r?r(o,a):r||{}}catch(p){i([p,"",[o,a,c],u],t)}s(n+"start",[o,a,c],u,f);try{return l=e.apply(a,o)}catch(h){throw s(n+"err",[o,a,h],u,f),h}finally{s(n+"end",[o,a,l],u,f)}}return a(e)?e:(n||(n=""),nrWrapper[l]=e,o(e,nrWrapper,t),nrWrapper)}function r(t,e,r,i,o){r||(r="");var s,c,f,u="-"===r.charAt(0);for(f=0;f<e.length;f++)c=e[f],s=t[c],a(s)||(t[c]=n(s,u?c+r:r,i,c,o))}function s(n,r,o,a){if(!h||e){var s=h;h=!0;try{t.emit(n,r,o,e,a)}catch(c){i([c,n,r,o],t)}h=s}}return t||(t=u),n.inPlace=r,n.flag=l,n}function i(t,e){e||(e=u);try{e.emit("internal-error",t)}catch(n){}}function o(t,e,n){if(Object.defineProperty&&Object.keys)try{var r=Object.keys(t);return r.forEach(function(n){Object.defineProperty(e,n,{get:function(){return t[n]},set:function(e){return t[n]=e,e}})}),e}catch(o){i([o],n)}for(var a in t)p.call(t,a)&&(e[a]=t[a]);return e}function a(t){return!(t&&t instanceof Function&&t.apply&&!t[l])}function s(t,e){var n=e(t);return n[l]=t,o(t,n,u),n}function c(t,e,n){var r=t[e];t[e]=s(r,n)}function f(){for(var t=arguments.length,e=new Array(t),n=0;n<t;++n)e[n]=arguments[n];return e}var u=t("ee"),d=t(28),l="nr@original",p=Object.prototype.hasOwnProperty,h=!1;e.exports=r,e.exports.wrapFunction=s,e.exports.wrapInPlace=c,e.exports.argsToArray=f},{}]},{},["loader",2,13,4,3]);</script> <meta property="og:title" content="Pediatric Diseases and Conditions: K" /> <meta property="og:url" content="http://healthlibrary.brighamandwomens.org/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=k" /> <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js" ></script> <script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.min.js" ></script> <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/jquery-migrate/1.3.0/jquery-migrate.min.js" ></script> <script type="text/javascript" src="/scripts/PromptBox.js" ></script> <script type="text/javascript" src="/global.js" ></script> <script type="text/javascript" src="/scripts/preLoadjs-0.2.0.min.js" ></script> <script type="text/javascript" src="/tooltip.js" ></script> <script type="text/javascript" src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" ></script> <script type="text/javascript" src="/Responsive.js" ></script> <script type="text/javascript" src="/trackOutboundLink.js" ></script> <script type="text/javascript" src="/OneTrust.js" ></script> <script type="text/plain" class="optanon-category-C0004"> </script> <link rel="stylesheet" type="text/css" someAttr="test" href="/Library/DiseasesConditions/Pediatric/Area0.css" /> <link rel="stylesheet" type="text/css" someAttr="test" href="/Library/DiseasesConditions/Pediatric/Area1.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <script src="swBootstrapStyles.js" type="text/javascript"></script> <script src="contentIcons.js" type="text/javascript"></script> <script type="text/javascript" src="jquery.bxslider.js"></script> <link REL="SHORTCUT ICON" href="https://www.brighamandwomens.org/favicon.ico" type="image/x-icon" /> <script src="jquery-accessibleMegaMenu.js"></script> <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" type="text/css"> <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:400,400i,600,600i"> <link href="main.style.css" type="text/css" rel="stylesheet"/> <script src="custom.js" type="text/javascript"></script> <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --> <!-- WARNING: Respond.js doesn't work if you view the page via file:// --> <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script> <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> <![endif]--> <title> Pediatric Diseases and Conditions: K </title></head> <body id="ICP"> <form name="Form1" method="post" action="./Encyclopedia.pg?Letter=k" id="Form1"> <div> <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="eczDuQqdEFPAGjzlVODOXEjCjaXzNk3i2SzDLGs4A6IprGEVthPzoD+ZuRKeV5Nv/MdFK/WRBTz6/L3kpaE8Q866ZrZOdBM2ed3DB0C8aGWKR1bl" /> </div> <script src="/Scripts/Autocomplete.js" type="text/javascript"></script> <div> <input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="CA0B0334" /> <input type="hidden" name="__VIEWSTATEENCRYPTED" id="__VIEWSTATEENCRYPTED" value="" /> </div> <script type="text/javascript"> (function (window, document, dataLayerName, id) { window[dataLayerName] = window[dataLayerName] || [], window[dataLayerName].push({ start: (new Date).getTime(), event: "stg.start" }); var scripts = document.getElementsByTagName('script')[0], tags = document.createElement('script'); function stgCreateCookie(a, b, c) { var d = ""; if (c) { var e = new Date; e.setTime(e.getTime() + 24 * c * 60 * 60 * 1e3), d = "; expires=" + e.toUTCString() } document.cookie = a + "=" + b + d + "; path=/" } var isStgDebug = (window.location.href.match("stg_debug") || document.cookie.match("stg_debug")) && !window.location.href.match("stg_disable_debug"); stgCreateCookie("stg_debug", isStgDebug ? 1 : "", isStgDebug ? 14 : -1); var qP = []; dataLayerName !== "dataLayer" && qP.push("data_layer_name=" + dataLayerName), isStgDebug && qP.push("stg_debug"); var qPString = qP.length > 0 ? ("?" + qP.join("&")) : ""; tags.async = !0, tags.src = "https://mgb.containers.piwik.pro/" + id + ".js" + qPString, scripts.parentNode.insertBefore(tags, scripts); !function (a, n, i) { a[n] = a[n] || {}; for (var c = 0; c < i.length; c++)!function (i) { a[n][i] = a[n][i] || {}, a[n][i].api = a[n][i].api || function () { var a = [].slice.call(arguments, 0); "string" == typeof a[0] && window[dataLayerName].push({ event: n + "." + i + ":" + a[0], parameters: [].slice.call(arguments, 1) }) } }(i[c]) }(window, "ppms", ["tm", "cm"]); })(window, document, 'dataLayer', 'eb15999a-801a-420b-83fe-a6ec50f8d268'); </script> <img id="printLogo" src="/assets/BWH/core/sprites/vectors/bwh-logo.svg" class="print-logo" /> <header role="banner" class="header component"> <div class="header__upper"> <div class="container"> <a title="Brigham and Women's Hospital Logo" href="https://www.brighamandwomens.org/" target=""> <img id="" src="/assets/BWH/core/sprites/vectors/bwh-logo.svg" alt="Brigham and Women's Hospital Logo" class="header__logo"> </a> <div class="header__controls"> <button class="header__search header__search--desktop" onclick="return false;"> <svg class="header__search-icon"> <use xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#icon-search"></use> </svg> </button> <button class="header__menu" onclick="return false;"> <svg class="header__menu-icon" viewBox="0 0 22 14.5"> <title>icon-menu</title> <path d="M20.75 6H1.25a1.25 1.25 0 0 0 0 2.5h19.5a1.25 1.25 0 0 0 0-2.5zM1.25 2.5h19.5a1.25 1.25 0 0 0 0-2.5H1.25a1.25 1.25 0 0 0 0 2.5zM20.75 12H1.25a1.25 1.25 0 0 0 0 2.5h19.5a1.25 1.25 0 0 0 0-2.5z"></path> </svg> <br /> Menu </button> <button class="header__search header__search--mobile" onclick="return false;"> <svg class="header__search-icon" viewBox="0 0 19.4802 19.4824"> <title>icon-search</title> <path d="M5.562 12.33L.327 17.564a1.125 1.125 0 1 0 1.593 1.59l5.233-5.233a8.728 8.728 0 0 1-.853-.737 8.602 8.602 0 0 1-.738-.854zM17.403 2.08A7.102 7.102 0 0 0 7.36 12.123a7.176 7.176 0 0 0 .864.727 7.098 7.098 0 0 0 9.18-10.77zm-1.415 8.627a5.098 5.098 0 1 1 1.494-3.606 5.098 5.098 0 0 1-1.494 3.606z"></path> </svg> <br /> Search </button> </div> <nav aria-describedby="utility-nav-title" role="navigation" class="utility-nav"> <div class="visually-hidden" id="utility-nav-title">Utility Navigation</div> <ul class="utility-nav__list"> <li class="utility-nav__item"> <a class="utility-nav__link" title="Locations and Buildings at Brigham and Women's Hospital on Boston main campus &amp; satellite locations" href="https://www.brighamandwomens.org/about-bwh/brigham-and-womens-hospital-locations-and-affiliates" target="">Locations</a> </li> <li class="utility-nav__item"> <a class="utility-nav__link" title="Find a Doctor at Brigham and Women's Hospital" href="https://physiciandirectory.brighamandwomens.org/" target="">Find a Doctor</a> </li> <li class="utility-nav__item"> <a class="utility-nav__link" title="Request an Appointment at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/forms/request-an-appointment" target="">Request Appointment</a> </li> <li class="utility-nav__item"> <a class="utility-nav__link" title="Patient Gateway" href="https://patientgateway.massgeneralbrigham.org/mychart-prd/Authentication/Login?" target="_blank">Patient Gateway</a> </li> <li class="utility-nav__item"> <a class="utility-nav__link" title="Learn about Charitable Giving to Brigham and Women's Hospital" href="http://give.brighamandwomens.org/?utm_medium=web&amp;utm_source=bwhmain&amp;utm_campaign=thisisatestcampaign&amp;utm_content=headerdonate" target="">Giving</a> </li> </ul> <div class="header__google-translate"> <div id="google_translate_element"></div> <script type="text/javascript"> function googleTranslateElementInit() { new google.translate.TranslateElement({pageLanguage: 'en', layout: google.translate.TranslateElement.InlineLayout.SIMPLE, autoDisplay: false}, 'google_translate_element'); } </script> <script src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit" type="text/javascript"></script> </div> </nav> </div> </div> <div class="header__search-drawer"> <div class="site-search"> <div class="container"> <form onsubmit="this.action += '?text=' + $('.site-search__search-field').val()" action="/search-results.page" class="site-search__form" method="post"> <label for="site-search" class="site-search__label visually-hidden">Search</label> <input placeholder="Search..." type="search" class="site-search__search-field"> <input value="Search" type="submit" class="site-search__submit btn btn--secondary"> </form> <button class="site-search__close" onclick="return false;"> <svg class="site-search__close-icon"> <use xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#icon-x"></use> </svg> </button> <div or-tablet="show" class="site-search__quick-links"> <span class="site-search__qtitle">Quick Links</span> <ul class="site-search__qlist"> <li class="site-search__qitem"> <a class="site-search__qlink" title="Centers of Excellence, Clinical Departments &amp; Services" href="https://www.brighamandwomens.org/services" target="">Departments &amp; Services</a> </li> <li class="site-search__qitem"> <a class="site-search__qlink" title="Directions to and Parking at Brigham and Women's Main Campus" href="https://www.brighamandwomens.org/about-bwh/locations/boston-main-campus-self-parking-and-valet" target="">Directions &amp; Parking</a> </li> <li class="site-search__qitem"> <a class="site-search__qlink" title="Access Your Medical Records Online, Transfer Medical Records to BWH, or Obtain Copies of BWH Records" href="https://www.brighamandwomens.org/patients-and-families/patients/medical-records" target="">Medical Records</a> </li> <li class="site-search__qitem"> <a class="site-search__qlink" title="Physical Therapy (PT), Rehabilitation Services" href="https://www.brighamandwomens.org/patients-and-families/rehabilitation-services/physical-and-occupational-therapy-rehabilitation-services" target="">Physical Therapy (PT)</a> </li> <li class="site-search__qitem"> <a class="site-search__qlink" title="Primary Care Practices at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/medicine/general-internal-medicine-and-primary-care/primary-care-practices" target="">Primary Care</a> </li> <li class="site-search__qitem"> <a class="site-search__qlink" title="Volunteer at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/about-bwh/volunteer/office-of-sponsored-staff-and-volunteer-services" target="">Volunteer</a> </li> </ul> </div> </div> </div> </div> <div class="header__menu-drawer"> <div data-component="mobile-nav" class="mobile-nav"> <div class="quick-link-bar"> <ul class="quick-link-bar__row"> <li class="quick-link-bar__item"> <a class="quick-link-bar__link" title="Find a Doctor at Brigham and Women's Hospital" href="https://physiciandirectory.brighamandwomens.org/" target="">Find a Doctor</a> </li> <li class="quick-link-bar__item"> <a class="quick-link-bar__link" title="Request an Appointment at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/forms/request-an-appointment" target="">Request Appointment</a> </li> <li class="quick-link-bar__item"> <a class="quick-link-bar__link" title="Locations and Buildings at Brigham and Women's Hospital on Boston main campus &amp; satellite locations" href="https://www.brighamandwomens.org/about-bwh/brigham-and-womens-hospital-locations-and-affiliates" target="">Locations</a> </li> <li class="quick-link-bar__item"> <a class="quick-link-bar__link" title="Centers of Excellence, Clinical Departments and Services at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/services" target="">Services</a> </li> </ul> </div> <div class="mobile-nav__panel"> <ul class="mobile-nav__list"> <li class="mobile-nav__item"> <a class="mobile-nav__link mobile-nav__link--arrow" href="https://www.brighamandwomens.org/patients-and-families" title="Information for Patients and Families" data-menu="menu1">Patients and Families</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link mobile-nav__link--arrow" href="https://www.brighamandwomens.org/medical-professionals" title="Information for Medical Professionals - Physicians, Nurses and Other Health Professionals" data-menu="menu2">Medical Professionals</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link mobile-nav__link--arrow" href="https://www.brighamandwomens.org/research" title="Research at Brigham and Women's Hospital" data-menu="menu3">Research</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link mobile-nav__link--arrow" title="Quick Links" data-menu="menu4">Quick Links</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link mobile-nav__link--half" href="https://patientgateway.massgeneralbrigham.org/mychart-prd/Authentication/Login?" target="_blank">Patient Gateway</a> <a class="mobile-nav__link mobile-nav__link--half" href="https://physiciangateway.partners.org/securelogin/login.aspx" target="_blank">Physician Gateway</a> </li> </ul> </div> <ul class="mobile-nav__sub-panel" id="menu1"> <li class="mobile-nav__item mobile-nav__item--back"> <a class="mobile-nav__link" href="#">Main Menu</a> </li> <li class="mobile-nav__item mobile-nav__item--parent"> <a class="mobile-nav__link" title="Information for Patients and Families" href="https://www.brighamandwomens.org/patients-and-families">Patients and Families</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="For New and Existing Patients" href="https://www.brighamandwomens.org/patients-and-families/patients">Patients</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="For International Patients" href="https://www.brighamandwomens.org/patients-and-families/for-international-patients">International Patients</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="For Visitors, Families and Caregivers of Patients" href="https://www.brighamandwomens.org/patients-and-families/visitors">Visitors</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/patients-and-families/day-surgery">Day Surgery</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/patients-and-families/in-hospital-stay">In-Hospital Stays</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/patients-and-families/follow-up-care">Follow-up Care</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Resources and Information for Patients" href="https://www.brighamandwomens.org/patients-and-families/patient-resources">Resources</a> </li> </ul> <ul class="mobile-nav__sub-panel" id="menu2"> <li class="mobile-nav__item mobile-nav__item--back"> <a class="mobile-nav__link" href="#">Main Menu</a> </li> <li class="mobile-nav__item mobile-nav__item--parent"> <a class="mobile-nav__link" title="Information for Medical Professionals - Physicians, Nurses and Other Health Professionals" href="https://www.brighamandwomens.org/medical-professionals">Medical Professionals</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Brigham Education Institute for Medical and Health Professionals" href="https://www.brighamandwomens.org/medical-professionals/brigham-education-institute">Brigham Education Institute</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Information for referring physicians" href="https://www.brighamandwomens.org/medical-professionals/physicians">For Physicians</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Information for nurses and other health professionals" href="https://www.brighamandwomens.org/medical-professionals/health-professionals">For Health Professionals</a> </li> </ul> <ul class="mobile-nav__sub-panel" id="menu3"> <li class="mobile-nav__item mobile-nav__item--back"> <a class="mobile-nav__link" href="#">Main Menu</a> </li> <li class="mobile-nav__item mobile-nav__item--parent"> <a class="mobile-nav__link" title="Research at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/research">Research</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/for-bwh-investigators">For BWH Investigators</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/get-involved">Get Involved</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/cores-and-resources">Cores and Resources</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/research-by-department">Research by Department</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/laboratories-and-research-projects">Laboratories and Research Projects</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/research-administration">Research Administration</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="" href="https://www.brighamandwomens.org/research/clinical-research">Clinical Research</a> </li> </ul> <ul class="mobile-nav__sub-panel" id="menu4"> <li class="mobile-nav__item mobile-nav__item--back"> <a class="mobile-nav__link" href="#">Main Menu</a> </li> <li class="mobile-nav__item mobile-nav__item--parent"> <a class="mobile-nav__link mobile-nav__link--arrow" title="Quick Links">Quick Links</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Centers of Excellence, Clinical Departments &amp; Services" href="https://www.brighamandwomens.org/services" target="">Departments &amp; Services</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Directions to and Parking at Brigham and Women's Main Campus" href="https://www.brighamandwomens.org/about-bwh/locations/boston-main-campus-self-parking-and-valet" target="">Directions &amp; Parking</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Access Your Medical Records Online, Transfer Medical Records to BWH, or Obtain Copies of BWH Records" href="https://www.brighamandwomens.org/patients-and-families/patients/medical-records" target="">Medical Records</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Physical Therapy (PT), Rehabilitation Services" href="https://www.brighamandwomens.org/patients-and-families/rehabilitation-services/physical-and-occupational-therapy-rehabilitation-services" target="">Physical Therapy (PT)</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Primary Care Practices at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/medicine/general-internal-medicine-and-primary-care/primary-care-practices" target="">Primary Care</a> </li> <li class="mobile-nav__item"> <a class="mobile-nav__link" title="Volunteer at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/about-bwh/volunteer/office-of-sponsored-staff-and-volunteer-services" target="">Volunteer</a> </li> </ul> </div> </div> <nav aria-describedby="main-nav-title" role="navigation" class="main-nav"> <div id="main-nav-title" class="visually-hidden">Site Navigation</div> <div class="container"> <ul class="main-nav__list"> <li class="main-nav__item"> <a class="main-nav__link" title="Information for Patients and Families" href="https://www.brighamandwomens.org/patients-and-families">Patients and Families</a> </li> <li class="main-nav__item"> <a class="main-nav__link" title="Information for Medical Professionals - Physicians, Nurses and Other Health Professionals" href="https://www.brighamandwomens.org/medical-professionals">Medical Professionals</a> </li> <li class="main-nav__item"> <a class="main-nav__link" title="Research at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/research">Research</a> </li> </ul> </div> </nav> </header> <div id="swContainer"> <div id="skipLink"><a href="#mainContent" tabindex="0">Skip to main content</a></div> <div class="globalBanner"> </div> <div class="container"> <div id="siteContent"> <div class="row"> <!-- breadcrumbs --> <div class="col-xs-12"> <div class="BreadCrumbs"> <a href="/">Home</a> <span class="separator"></span> <a href="/Library/DiseasesConditions/">Conditions &amp; Treatments</a> <span class="separator"></span> <a href="/Library/DiseasesConditions/Pediatric/">Pediatric Health Library</a> </div> </div> </div> <div id="contentBody"> <div class="row" id="contentBodyHeader"> <!-- content header/social/translate --> <div class="col-xs-12 col-sm-12 col-md-4"> <h1 class="contentHeader">Pediatric Health Library</h1> <div class="socialTranslate clearfix"> <div class="translateWrap"> <div id="lang_select_wrap"> <nav data-kswid="translateMenuMainButton" role="navigation" title="Translate" class="megamenu"> <ul> <li> <h2> <a id="lang_select" href="#" title="Translate Options">Translate</a> </h2> <div> <ul> <li data-kswid="translateMenuSpanishButton"> <h2> <a href="/Spanish/">Spanish Content</a> </h2> <ul> <li> <a href="/Spanish/DiseasesConditions/" data-kswid="translateMenuSpanishSubLink">Enfermedades y afecciones</a> </li> <li> <a href="/Spanish/TestsProcedures/" data-kswid="translateMenuSpanishSubLink">Cirug铆as y procedimientos</a> </li> <li> <a href="/Spanish/DrugReference/" data-kswid="translateMenuSpanishSubLink">Medicamentos</a> </li> <li> <a href="/Spanish/VideoLibrary/" data-kswid="translateMenuSpanishSubLink">Videoteca</a> </li> </ul> </li> </ul> </div> </li> </ul> </nav> </div> </div> <div class="spanishLink"> <div id="spanishLinkWrap"> <a href="/Spanish/">Spanish Content</a> </div> </div> </div> </div> <!-- search --> <div class="col-xs-12 col-sm-12 col-md-8"> <div id="searchControlMainWrap"> <div id="HealthLibraryButtonContainer"> <div id="HealthLibraryButton" data-kswid="healthLibraryToggle"> <div class="text">Health Library Explorer</div> <div tabindex="0" class="button" role="button" aria-label="Navigation Toggle" title="Health Library Explorer Toggle"></div> </div> </div> <div id="searchControlInnerWrap"> <script language="javascript" type="text/javascript"> function Global_ctl06DoSearch() { if (typeof encodeURIComponent != "function") { alert('Your web browser does not support this function. Please upgrade to the latest version of your current browser.'); return; } var searchPhrase = $("#Global_ctl06QuickSearch").promptBox("getValue"); if (searchPhrase.length == 0) { alert('You must enter a search phrase.'); return; } searchPhrase = global.cleanInputString(searchPhrase, " "); document.location.href = '/Search/SearchResults.pg?SearchPhrase=' + encodeURIComponent(searchPhrase) + '&SearchType=text&SearchOperator=And'; } function Global_ctl06KeyCheck(e) { if ((window.event && e.keyCode == 13) || (e.which && e.which == 13)) { Global_ctl06DoSearch(); return false; } return true; } $(function () { $("#Global_ctl06QuickSearch").promptBox( "init", { promptText: 'Search Library' }); }); </script> <div class="SearchBoxWrap" role="search"> <div class="SearchBox"> <label for="Global_ctl06QuickSearch" class="sr-only">Search Library:</label> <input type="text" id="Global_ctl06QuickSearch" name="Global_ctl06QuickSearch" maxlength="200" onkeypress="return Global_ctl06KeyCheck(event)" data-kswid="searchText" class="form-control" tabindex="0"/> <a title="Submit Library Search" class="go" role="button" aria-label="Submit Library Search" href="javascript:Global_ctl06DoSearch();" data-kswid="searchButton"><span class="sr-only">Go</span></a> </div> </div> <label for="AlphabeticalLinks" class="azLabel">Browse A-Z Listings:</label> <span class="AlphabeticalLinks"> <a href="/Library/Encyclopedia?Letter=a" data-kswid="searchLetter">A</a> <a href="/Library/Encyclopedia?Letter=b" data-kswid="searchLetter">B</a> <a href="/Library/Encyclopedia?Letter=c" data-kswid="searchLetter">C</a> <a href="/Library/Encyclopedia?Letter=d" data-kswid="searchLetter">D</a> <a href="/Library/Encyclopedia?Letter=e" data-kswid="searchLetter">E</a> <a href="/Library/Encyclopedia?Letter=f" data-kswid="searchLetter">F</a> <a href="/Library/Encyclopedia?Letter=g" data-kswid="searchLetter">G</a> <a href="/Library/Encyclopedia?Letter=h" data-kswid="searchLetter">H</a> <a href="/Library/Encyclopedia?Letter=i" data-kswid="searchLetter">I</a> <a href="/Library/Encyclopedia?Letter=j" data-kswid="searchLetter">J</a> <a href="/Library/Encyclopedia?Letter=k" data-kswid="searchLetter">K</a> <a href="/Library/Encyclopedia?Letter=l" data-kswid="searchLetter">L</a> <a href="/Library/Encyclopedia?Letter=m" data-kswid="searchLetter">M</a> <a href="/Library/Encyclopedia?Letter=n" data-kswid="searchLetter">N</a> <a href="/Library/Encyclopedia?Letter=o" data-kswid="searchLetter">O</a> <a href="/Library/Encyclopedia?Letter=p" data-kswid="searchLetter">P</a> <a href="/Library/Encyclopedia?Letter=q" data-kswid="searchLetter">Q</a> <a href="/Library/Encyclopedia?Letter=r" data-kswid="searchLetter">R</a> <a href="/Library/Encyclopedia?Letter=s" data-kswid="searchLetter">S</a> <a href="/Library/Encyclopedia?Letter=t" data-kswid="searchLetter">T</a> <a href="/Library/Encyclopedia?Letter=u" data-kswid="searchLetter">U</a> <a href="/Library/Encyclopedia?Letter=v" data-kswid="searchLetter">V</a> <a href="/Library/Encyclopedia?Letter=w" data-kswid="searchLetter">W</a> <a href="/Library/Encyclopedia?Letter=x" data-kswid="searchLetter">X</a> <a href="/Library/Encyclopedia?Letter=y" data-kswid="searchLetter">Y</a> <a href="/Library/Encyclopedia?Letter=z" data-kswid="searchLetter">Z</a> </span> <span> <a class="searchBoxAlphabeticalButton" tabindex="0">A-Z Listings</a> <a class="contactButton" tabindex="0">Contact Us</a> </span> </div> </div> <div class="AlphabeticalLinksContainer clearfix"></div> <div class="ContactUsContainer clearfix"></div> </div> </div> <div class="row"> <div class="col-xs-12"> <!-- navigation --> <div id="HealthLibraryMenuContainer" aria-label="Health Library Menu"> <div class="HealthLibraryMenuSmallContainer"></div> <div class="HealthLibraryMenuFullContainer"> <nav class="megamenu"> <ul id="HealthLibraryMenu"> <li><a href="/Library/DiseasesConditions/">Conditions & Treatments</a><ul> <li><a href="/Library/DiseasesConditions/Adult/">Adult Health Library</a><ul> <li><a href="/Library/DiseasesConditions/Adult/Allergy/">Allergy and Asthma</a></li><li><a href="/Library/DiseasesConditions/Adult/Arthritis/">Arthritis and Other Rheumatic Diseases</a></li><li><a href="/Library/DiseasesConditions/Adult/Bone/">Bone Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Breast/">Breast Health</a></li><li><a href="/Library/DiseasesConditions/Adult/Cardiovascular/">Cardiovascular Diseases</a></li><li><a href="/Library/DiseasesConditions/Adult/CompAltMed/">Complementary and Alternative Medicine</a></li><li><a href="/Library/DiseasesConditions/Adult/Dermatology/">Dermatology</a></li><li><a href="/Library/DiseasesConditions/Adult/Diabetes/">Diabetes</a></li><li><a href="/Library/DiseasesConditions/Adult/Digestive/">Digestive Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Endocrinology/">Endocrinology</a></li><li><a href="/Library/DiseasesConditions/Adult/Environmental/">Environmental Medicine</a></li><li><a href="/Library/DiseasesConditions/Adult/EyeCare/">Eye Care</a></li><li><a href="/Library/DiseasesConditions/Adult/Gynecological/">Gynecological Health</a></li><li><a href="/Library/DiseasesConditions/Adult/Hematology/">Hematology and Blood Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/HomeHealth/">Home Health, Hospice, and Elder Care</a></li><li><a href="/Library/DiseasesConditions/Adult/Infectious/">Infectious Diseases</a></li><li><a href="/Library/DiseasesConditions/Adult/Kidney/">Kidney and Urinary System Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Liver/">Liver, Biliary, and Pancreatic Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Men/">Men's Health</a></li><li><a href="/Library/DiseasesConditions/Adult/MentalHealth/">Mental Health Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/NervousSystem/">Nervous System Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/NonTraumatic/">Non-Traumatic Emergencies</a></li><li><a href="/Library/DiseasesConditions/Adult/Oral/">Oral Health</a></li><li><a href="/Library/DiseasesConditions/Adult/Orthopedic/">Orthopaedic Surgery</a></li><li><a href="/Library/DiseasesConditions/Adult/Otolaryngology/">Otolaryngology</a></li><li><a href="/Library/DiseasesConditions/Adult/Pathology/">Pathology</a></li><li><a href="/Library/DiseasesConditions/Adult/Pediatrics/">Pediatrics</a></li><li><a href="/Library/DiseasesConditions/Adult/PhysicalMed/">Physical Medicine and Rehabilitation</a></li><li><a href="/Library/DiseasesConditions/Adult/Plastic/">Plastic Surgery</a></li><li><a href="/Library/DiseasesConditions/Adult/Pregnancy/">Pregnancy and Childbirth</a></li><li><a href="/Library/DiseasesConditions/Adult/Prostate/">Prostate Health</a></li><li><a href="/Library/DiseasesConditions/Adult/Radiology/">Radiology</a></li><li><a href="/Library/DiseasesConditions/Adult/Respiratory/">Respiratory Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Skin/">Skin Cancer</a></li><li><a href="/Library/DiseasesConditions/Adult/Spine/">Spine, Shoulder, and Pelvis Disorders</a></li><li><a href="/Library/DiseasesConditions/Adult/Surgical/">Surgical Care</a></li><li><a href="/Library/DiseasesConditions/Adult/Travel/">Travel Medicine</a></li><li><a href="/Library/DiseasesConditions/Adult/Women/">Women's Health</a></li> </ul></li><li><a href="/Library/DiseasesConditions/Pediatric/">Pediatric Health Library</a><ul> <li><a href="/Library/DiseasesConditions/Pediatric/AdolescentMed/">Adolescent Medicine</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Allergy/">Allergy, Asthma, and Immunology</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Blood/">Blood Disorders</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Burns/">Burns</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Cardiology/">Cardiology</a></li><li><a href="/Library/DiseasesConditions/Pediatric/CareTerminallyIll/">Care of the Terminally Ill</a></li><li><a href="/Library/DiseasesConditions/Pediatric/ChildMentalHealth/">Child and Adolescent Mental Health</a></li><li><a href="/Library/DiseasesConditions/Pediatric/ChildSurgery/">Child Having Surgery</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Craniofacial/">Craniofacial Anomalies</a></li><li><a href="/Library/DiseasesConditions/Pediatric/CommonInjuries/">Common Childhood Injuries and Poisonings</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Dental/">Dental and Oral Health</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Dermatology/">Dermatology</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Diabetes/">Diabetes Endocrinology</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Digestive/">Digestive and Liver Disorders</a></li><li><a href="/Library/DiseasesConditions/Pediatric/EarNoseThroat/">Ear, Nose, and Throat</a></li><li><a href="/Library/DiseasesConditions/Pediatric/EyeCare/">Eye Care</a></li><li><a href="/Library/DiseasesConditions/Pediatric/GenitourinaryKidney/">Genitourinary and Kidney Disorders</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Growth/">Growth and Development</a></li><li><a href="/Library/DiseasesConditions/Pediatric/HighRiskNewborn/">High-Risk Newborn</a></li><li><a href="/Library/DiseasesConditions/Pediatric/HighRiskPregnancy/">High-Risk Pregnancy</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Infectious/">Infectious Diseases</a></li><li><a href="/Library/DiseasesConditions/Pediatric/MedicalGenetics/">Medical Genetics</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Neurological/">Neurological Disorders</a></li><li><a href="/Library/DiseasesConditions/Pediatric/NormalNewborn/">Normal Newborn</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Oncology/">Oncology</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Orthopedic/">Orthopaedics</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Pregnancy/">Pregnancy</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Respiratory/">Respiratory Disorders</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Safety/">Safety and Injury Prevention</a></li><li><a href="/Library/DiseasesConditions/Pediatric/Transplantation/">Transplantation</a></li> </ul></li><li><a href="/Library/TestsProcedures/">Tests and Procedures</a><ul> <li><a href="/Library/TestsProcedures/Cardiovascular/">Cardiovascular</a></li><li><a href="/Library/TestsProcedures/Gastroenterology/">Gastroenterology</a></li><li><a href="/Library/TestsProcedures/Gynecology/">Gynecology</a></li><li><a href="/Library/TestsProcedures/LabTests/">Lab Tests</a></li><li><a href="/Library/TestsProcedures/Neurological/">Neurological</a></li><li><a href="/Library/TestsProcedures/Orthopaedic/">Orthopaedic</a></li><li><a href="/Library/TestsProcedures/Pulmonary/">Pulmonary</a></li><li><a href="/Library/TestsProcedures/Urology/">Urology</a></li> </ul></li><li><a href="/Library/PreventionGuidelines/">Prevention Guidelines</a><ul> <li><a href="/Library/PreventionGuidelines/43%2Cinfant">Children Ages 0-2</a></li><li><a href="/Library/PreventionGuidelines/43%2Cchildren">Children Ages 2-18</a></li><li><a href="/Library/PreventionGuidelines/43%2Cmen1839">Men Ages 18-39</a></li><li><a href="/Library/PreventionGuidelines/43%2Cmen4049">Men Ages 40-49</a></li><li><a href="/Library/PreventionGuidelines/43%2Cmen5064">Men Ages 50-64</a></li><li><a href="/Library/PreventionGuidelines/43%2Cmen65plus">Men Ages 65+</a></li><li><a href="/Library/PreventionGuidelines/43%2Cwomen1839">Women Ages 18-39</a></li><li><a href="/Library/PreventionGuidelines/43%2Cwomen4049">Women Ages 40-49</a></li><li><a href="/Library/PreventionGuidelines/43%2Cwomen5064">Women Ages 50-64</a></li><li><a href="/Library/PreventionGuidelines/43%2Cwomen65plus">Women Ages 65+</a></li> </ul></li> </ul></li><li><a href="/Conditions/">Health Centers</a><ul> <li><a href="/Conditions/Asthma/">Asthma</a><ul> <li><a href="/Conditions/Asthma/Understanding/subTopic.pg">Understanding Asthma</a></li><li><a href="/Conditions/Asthma/Pulmonary/subTopic.pg">Pulmonary Tests & Procedures</a></li><li><a href="/Conditions/Asthma/Triggers/subTopic.pg">Controlling Asthma Triggers</a></li><li><a href="/Conditions/Asthma/Managing/subTopic.pg">Managing Your Asthma</a><ul> </ul></li><li><a href="/Conditions/Asthma/Other/subTopic.pg">Asthma and Other Conditions</a></li><li><a href="/Conditions/Asthma/YourFamily/subTopic.pg">For Your Family</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Cancer/">Cancer</a><ul> <li><a href="/Conditions/Cancer/About/subTopic.pg">About Cancer</a></li><li><a href="/Conditions/Cancer/Genetics/subTopic.pg">Cancer and Genetics</a><ul> </ul></li><li><a href="/Conditions/Cancer/TestsProcedures/subTopic.pg">Cancer Test and Procedures</a><ul> </ul></li><li><a href="/Conditions/Cancer/Diagnosis/subTopic.pg">Cancer Diagnosis</a></li><li><a href="/Conditions/Cancer/Nutrition/subTopic.pg">Cancer and Nutrition</a></li><li><a href="/Conditions/Cancer/Treatment/subTopic.pg">Cancer Treatment</a><ul> </ul></li><li><a href="/Conditions/Cancer/SideEffects/subTopic.pg">Cancer Treatment Side Effects</a><ul> </ul></li><li><a href="/Conditions/Cancer/Living/subTopic.pg">Living With Cancer</a><ul> </ul></li><li><a href="/Conditions/Cancer/Specific/subTopic.pg">Specific Cancers</a><ul> </ul></li><li><a href="/Conditions/Cancer/Children/subTopic.pg">Children and Cancer</a><ul> </ul></li> </ul></li><li><a href="/Conditions/COPD/">Chronic Obstructive Pulmonary Disease</a><ul> <li><a href="/Conditions/COPD/WhatIs/subTopic.pg">What is COPD?</a></li><li><a href="/Conditions/COPD/Pulmonary/subTopic.pg">Pulmonary Tests & Procedures</a></li><li><a href="/Conditions/COPD/Managing/subTopic.pg">Managing Your COPD</a><ul> </ul></li><li><a href="/Conditions/COPD/Preventing/subTopic.pg">Preventing COPD</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Diabetes/">Diabetes</a><ul> <li><a href="/Conditions/Diabetes/Understanding/subTopic.pg">Understanding Diabetes</a></li><li><a href="/Conditions/Diabetes/Types/subTopic.pg">Types of Diabetes</a><ul> </ul></li><li><a href="/Conditions/Diabetes/Complications/subTopic.pg">Complications of Diabetes</a><ul> </ul></li><li><a href="/Conditions/Diabetes/Managing/subTopic.pg">Managing Diabetes</a><ul> </ul></li><li><a href="/Conditions/Diabetes/YourFamily/subTopic.pg">Diabetes and Your Family</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Heart/">Heart Disease</a><ul> <li><a href="/Conditions/Heart/Understanding/subTopic.pg">Understanding Heart Disease</a></li><li><a href="/Conditions/Heart/Cardiac/subTopic.pg">Cardiac Tests & Procedures </a><ul> </ul></li><li><a href="/Conditions/Heart/Conditions/subTopic.pg">Heart Conditions and Diseases</a><ul> </ul></li><li><a href="/Conditions/Heart/Women/subTopic.pg">Women and Heart Disease</a></li><li><a href="/Conditions/Heart/Diabetes/subTopic.pg">Diabetes and Heart Disease</a></li><li><a href="/Conditions/Heart/Congenital/subTopic.pg">Congenital Heart Disease</a><ul> </ul></li><li><a href="/Conditions/Heart/Rehab/subTopic.pg">Cardiac Rehabilitation</a></li><li><a href="/Conditions/Heart/Managing/subTopic.pg">Managing Heart Disease</a><ul> </ul></li><li><a href="/Conditions/Heart/Preventing/subTopic.pg">Preventing Heart Disease</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Neuroscience/">Neuroscience</a><ul> <li><a href="/Conditions/Neuroscience/About/subTopic.pg">About the Brain and Nervous System</a></li><li><a href="/Conditions/Neuroscience/NeurologicalTP/subTopic.pg">Neurological Tests and Procedures</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/NeurologicalCD/subTopic.pg">Neurological Conditions and Diseases</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/Memory/subTopic.pg">Alzheimer's Disease and Memory Disorders</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/Headaches/subTopic.pg">Headaches</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/Stroke/subTopic.pg">Stroke and Cerebrovascular Diseases</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/Rehab/subTopic.pg">Understanding Rehabilitation</a><ul> </ul></li><li><a href="/Conditions/Neuroscience/Children/subTopic.pg">Children & Neurological Conditions</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Bariatric/">Obesity and Bariatric Surgery</a><ul> <li><a href="/Conditions/Bariatric/Understanding/subTopic.pg">Understanding Obesity</a></li><li><a href="/Conditions/Bariatric/Problems/subTopic.pg">Obesity and Health Problems</a></li><li><a href="/Conditions/Bariatric/Treating/subTopic.pg">Treating Obesity</a></li><li><a href="/Conditions/Bariatric/Surgery/subTopic.pg">Bariatric Surgery</a><ul> </ul></li><li><a href="/Conditions/Bariatric/Lifestyle/subTopic.pg">Lifestyle Changes</a><ul> </ul></li><li><a href="/Conditions/Bariatric/Children/subTopic.pg">Childhood and Obesity</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Orthopedics/">Orthopedics</a><ul> <li><a href="/Conditions/Orthopedics/Basic/subTopic.pg">Basic Anatomy</a></li><li><a href="/Conditions/Orthopedics/Tests/subTopic.pg">Orthopedic Tests and Procedures</a><ul> </ul></li><li><a href="/Conditions/Orthopedics/Conditions/subTopic.pg">Orthopedic Conditions and Disorders</a><ul> </ul></li><li><a href="/Conditions/Orthopedics/Arthritis/subTopic.pg">Arthritis and Rheumatic Disorders</a><ul> </ul></li><li><a href="/Conditions/Orthopedics/Osteoporosis/subTopic.pg">Osteoporosis</a></li><li><a href="/Conditions/Orthopedics/Fractures/subTopic.pg">Fractures</a></li><li><a href="/Conditions/Orthopedics/Sports/subTopic.pg">Sports Injuries</a><ul> </ul></li><li><a href="/Conditions/Orthopedics/Work/subTopic.pg">Preventing Injuries at Work</a><ul> </ul></li><li><a href="/Conditions/Orthopedics/Children/subTopic.pg">Orthopedic Conditions and Children</a><ul> </ul></li> </ul></li><li><a href="/Conditions/Pregnancy/">Pregnancy & Newborns</a><ul> <li><a href="/Conditions/Pregnancy/Prepare/subTopic.pg">Preparing for Pregnancy</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/ChangingBody/subTopic.pg">Your Changing Body</a></li><li><a href="/Conditions/Pregnancy/FirstTrimester/subTopic.pg">Your First Trimester</a></li><li><a href="/Conditions/Pregnancy/SecondTrimester/subTopic.pg">Your Second Trimester</a></li><li><a href="/Conditions/Pregnancy/ThirdTrimester/subTopic.pg">Your Third Trimester</a></li><li><a href="/Conditions/Pregnancy/Tests/subTopic.pg">Pregnancy Tests and Procedures</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/Lifestyles/subTopic.pg">Healthy Pregnancy Lifestyles</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/Complications/subTopic.pg">Pregnancy Complications</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/Labor/subTopic.pg">Labor, Birth, and Postpartum</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/Newborn/subTopic.pg">Your Newborn Baby</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/SpecialCare/subTopic.pg">When Baby Needs Special Care</a><ul> </ul></li><li><a href="/Conditions/Pregnancy/Feeding/subTopic.pg">Feeding Your Baby</a><ul> </ul></li> </ul></li> </ul></li><li><a href="/Library/DrugReference/">Drugs, Herbs & Supplements</a><ul> <li><a href="/Library/DrugReference/DrugInteraction/">Drug Interaction Checker</a></li><li><a href="/Library/DrugReference/DrugSearch/">Drug Search</a></li><li><a href="/Library/NutritionalSupplements/">Herbs, Vitamins & Supplements</a><ul> <li><a href="/Library/NutritionalSupplements/AminoAcids/">Amino Acids</a></li><li><a href="/Library/NutritionalSupplements/Herbs/">Herbs</a></li><li><a href="/Library/NutritionalSupplements/Minerals/">Minerals</a></li><li><a href="/Library/NutritionalSupplements/Vitamins/">Vitamins</a></li><li><a href="/Library/NutritionalSupplements/Other/">Other</a></li><li><a href="/Library/NutritionalSupplements/All/">All</a></li> </ul></li> </ul></li><li><a href="/Library/">Nutrition & General Wellness</a><ul> <li><a href="/Library/Recipes/">Healthy Recipes</a><ul> <li><a href="/Library/Recipes/Dietary/">By Dietary Considerations</a><ul> </ul></li><li><a href="/Library/Recipes/Category/">By Food Category</a><ul> </ul></li> </ul></li><li><a href="/Library/NutritionFacts/">Nutrition Facts</a></li><li><a href="/Library/Wellness/">Wellness Library</a><ul> <li><a href="/Library/Wellness/AtWork/">At Work</a></li><li><a href="/Library/Wellness/Behavior/">Behavior</a></li><li><a href="/Library/Wellness/Dental/">Dental</a></li><li><a href="/Library/Wellness/DiseasesConditions/">Diseases & Conditions</a></li><li><a href="/Library/Wellness/Fitness/">Fitness</a></li><li><a href="/Library/Wellness/InjuriesEmergencies/">Injuries & Emergencies</a></li><li><a href="/Library/Wellness/Nutrition/">Nutrition</a></li><li><a href="/Library/Wellness/Parenting/">Parenting</a></li><li><a href="/Library/Wellness/Prevention/">Prevention</a></li><li><a href="/Library/Wellness/Safety/">Safety</a></li><li><a href="/Library/Wellness/TodaysMedicine/">Today's Medicine</a></li><li><a href="/Library/Wellness/WeightControl/">Weight Control</a></li><li><a href="/Library/Wellness/YourBody/">Your Body</a></li> </ul></li> </ul></li><li><a href="/YourFamily/">Your Family</a><ul> <li><a href="/YourFamily/Children/">Children's Health</a><ul> <li><a href="/YourFamily/Children/HealthyChild/subTopic.pg">The Healthy Child</a><ul> </ul></li><li><a href="/YourFamily/Children/Healthcare/subTopic.pg">Children and Healthcare</a><ul> </ul></li><li><a href="/YourFamily/Children/Emotions/subTopic.pg">Emotions and Behavior</a><ul> </ul></li><li><a href="/YourFamily/Children/Concerns/subTopic.pg">Age-Specific Concerns</a><ul> </ul></li><li><a href="/YourFamily/Children/Parenting/subTopic.pg">Parenting</a><ul> </ul></li> </ul></li><li><a href="/YourFamily/Men/">Men's Health</a><ul> <li><a href="/YourFamily/Men/GoodHealth/subTopic.pg">In Good Health</a><ul> </ul></li><li><a href="/YourFamily/Men/HealthIssues/subTopic.pg">Health Issues</a><ul> </ul></li><li><a href="/YourFamily/Men/SexualHealth/subTopic.pg">Sexual Health & Reproduction</a><ul> </ul></li><li><a href="/YourFamily/Men/SportsInjuries/subTopic.pg">Sports Injuries</a></li> </ul></li><li><a href="/YourFamily/OlderAdults/">Older Adults</a><ul> <li><a href="/YourFamily/OlderAdults/Living/subTopic.pg">Living Better, Living Longer</a></li><li><a href="/YourFamily/OlderAdults/Eating/subTopic.pg">Eating Well, Staying Fit</a><ul> </ul></li><li><a href="/YourFamily/OlderAdults/Prevention/subTopic.pg">Prevention, Self-Care, and Safety</a><ul> </ul></li><li><a href="/YourFamily/OlderAdults/Medications/subTopic.pg">Using Medications</a></li><li><a href="/YourFamily/OlderAdults/Concerns/subTopic.pg">Health Concerns: Head to Toe</a><ul> </ul></li><li><a href="/YourFamily/OlderAdults/Planning/subTopic.pg">Long-Term Planning</a></li><li><a href="/YourFamily/OlderAdults/Caregiver/subTopic.pg">For the Caregiver</a></li><li><a href="/YourFamily/OlderAdults/Hospice/subTopic.pg">Home Health and Hospice Care</a></li> </ul></li><li><a href="/YourFamily/Women/">Women's Health</a><ul> <li><a href="/YourFamily/Women/WomansJourney/subTopic.pg">A Woman's Journey</a><ul> </ul></li><li><a href="/YourFamily/Women/GoodHealth/subTopic.pg">In Good Health</a><ul> </ul></li><li><a href="/YourFamily/Women/HealthIssues/subTopic.pg">Women's Health Issues</a><ul> </ul></li> </ul></li> </ul></li><li><a href="/Library/News/">News Center</a><ul> <li><a href="/Library/News/FocusonHealth/">Focus on Health</a></li><li><a href="https://www.webmd.com/news/articles" target="_blank">Health News</a></li><li><a href="/Library/News/Newsletters/">Newsletters</a><ul> <li><a href="/Library/News/Newsletters/Cancer/">Cancer Awareness</a></li><li><a href="/Library/News/Newsletters/Chronic/">Chronic Condition News</a></li><li><a href="/Library/News/Newsletters/Child/">For Your Child</a></li><li><a href="/Library/News/Newsletters/Heart/">Heart Care</a></li><li><a href="/Library/News/Newsletters/Men/">Men's Health</a></li><li><a href="/Library/News/Newsletters/Women/">Women's Health</a></li> </ul></li> </ul></li><li><a href="/Wellness/">Healthy Living</a><ul> <li><a href="/Wellness/BackandNeck/">Back and Neck Care</a><ul> <li><a href="/Wellness/BackandNeck/Basics/subTopic.pg">Back and Neck Basics</a></li><li><a href="/Wellness/BackandNeck/Causes/subTopic.pg">Causes of Back and Neck Pain</a></li><li><a href="/Wellness/BackandNeck/Healthy/subTopic.pg">Keeping Your Back Healthy</a><ul> </ul></li><li><a href="/Wellness/BackandNeck/Dealing/subTopic.pg">Dealing With Back Pain</a><ul> </ul></li><li><a href="/Wellness/BackandNeck/Preventing/subTopic.pg">Preventing and Treating Neck Pain</a></li><li><a href="/Wellness/BackandNeck/Pregnancy/subTopic.pg">Back Pain and Pregnancy</a></li> </ul></li><li><a href="/Wellness/BloodPressure/">Blood Pressure</a><ul> <li><a href="/Wellness/BloodPressure/Basics/subTopic.pg">Blood Pressure Basics</a><ul> </ul></li><li><a href="/Wellness/BloodPressure/Eating/subTopic.pg">Eating Healthier</a></li><li><a href="/Wellness/BloodPressure/Exercise/subTopic.pg">Getting Exercise</a></li><li><a href="/Wellness/BloodPressure/Weight/subTopic.pg">Losing Weight</a></li><li><a href="/Wellness/BloodPressure/Stress/subTopic.pg">Managing Stress</a></li><li><a href="/Wellness/BloodPressure/Smoking/subTopic.pg">Quitting Smoking, Limiting Alcohol</a></li><li><a href="/Wellness/BloodPressure/Medications/subTopic.pg">Taking Medication</a></li> </ul></li><li><a href="/Wellness/Cholesterol/">Cholesterol</a><ul> <li><a href="/Wellness/Cholesterol/Understanding/subTopic.pg">Understanding Cholesterol</a><ul> </ul></li><li><a href="/Wellness/Cholesterol/Eating/subTopic.pg">Eating Healthy</a><ul> </ul></li><li><a href="/Wellness/Cholesterol/Weight/subTopic.pg">Managing Weight</a></li><li><a href="/Wellness/Cholesterol/Exercise/subTopic.pg">Getting Exercise</a></li><li><a href="/Wellness/Cholesterol/Habits/subTopic.pg">Breaking Bad Habits</a><ul> </ul></li><li><a href="/Wellness/Cholesterol/Medication/subTopic.pg">Taking Medication</a></li> </ul></li><li><a href="/Wellness/Fitness/">Fitness</a><ul> <li><a href="/Wellness/Fitness/Matters/subTopic.pg">Why Fitness Matters</a></li><li><a href="/Wellness/Fitness/Started/subTopic.pg">Get Started</a><ul> </ul></li><li><a href="/Wellness/Fitness/Moving/subTopic.pg">Get Moving</a><ul> </ul></li><li><a href="/Wellness/Fitness/Motivated/subTopic.pg">Stay Motivated</a></li><li><a href="/Wellness/Fitness/MakeTime/subTopic.pg">Make Time for Fitness</a></li><li><a href="/Wellness/Fitness/Health/subTopic.pg">Improve Your Health</a><ul> </ul></li><li><a href="/Wellness/Fitness/Children/subTopic.pg">Children & Teens</a></li><li><a href="/Wellness/Fitness/Women/subTopic.pg">Women</a></li><li><a href="/Wellness/Fitness/OlderAdults/subTopic.pg">Older Adults</a></li> </ul></li><li><a href="/Wellness/MentalHealth/">Mental Health</a><ul> <li><a href="/Wellness/MentalHealth/Journey/subTopic.pg">During Life's Journey</a><ul> </ul></li><li><a href="/Wellness/MentalHealth/Common/subTopic.pg">Common Conditions</a><ul> </ul></li><li><a href="/Wellness/MentalHealth/Support/subTopic.pg">Support and Stability</a><ul> </ul></li> </ul></li><li><a href="/Wellness/Nutrition/">Nutrition</a><ul> <li><a href="/Wellness/Nutrition/Basics/subTopic.pg">Nutrition Basics</a><ul> </ul></li><li><a href="/Wellness/Nutrition/Practices/subTopic.pg">Healthy Practices</a><ul> </ul></li><li><a href="/Wellness/Nutrition/Conditions/subTopic.pg">Nutrition and Health Conditions</a><ul> </ul></li><li><a href="/Wellness/Nutrition/Children/subTopic.pg">Children and Teens</a><ul> </ul></li><li><a href="/Wellness/Nutrition/Pregnant/subTopic.pg">Pregnant Women</a></li> </ul></li><li><a href="/Wellness/Smoking/">Smoking Cessation</a><ul> <li><a href="/Wellness/Smoking/Facing/subTopic.pg">Facing Up to Smoking</a><ul> </ul></li><li><a href="/Wellness/Smoking/Planning/subTopic.pg">Planning Your Quit Strategy</a></li><li><a href="/Wellness/Smoking/Step/subTopic.pg">Taking the Big Step</a></li><li><a href="/Wellness/Smoking/SmokeFree/subTopic.pg">Staying Smoke-Free</a></li><li><a href="/Wellness/Smoking/Teens/subTopic.pg">Teens and Smoking</a></li><li><a href="/Wellness/Smoking/Pregnancy/subTopic.pg">Smoking During Pregnancy</a></li> </ul></li><li><a href="/Wellness/Stress/">Stress Management</a><ul> <li><a href="/Wellness/Stress/Understanding/subTopic.pg">Understanding Stress</a><ul> </ul></li><li><a href="/Wellness/Stress/Keys/subTopic.pg">Keys to Managing Stress</a><ul> </ul></li><li><a href="/Wellness/Stress/Job/subTopic.pg">Stress on the Job</a></li><li><a href="/Wellness/Stress/Family/subTopic.pg">Stress and Family</a></li> </ul></li><li><a href="/Wellness/Weight/">Weight Management</a><ul> <li><a href="/Wellness/Weight/Action/subTopic.pg">Call to Action</a><ul> </ul></li><li><a href="/Wellness/Weight/About/subTopic.pg">About Weight Loss</a></li><li><a href="/Wellness/Weight/Nutrition/subTopic.pg">Nutrition</a></li><li><a href="/Wellness/Weight/Exercise/subTopic.pg">Exercise</a></li><li><a href="/Wellness/Weight/Behavior/subTopic.pg">Behavior</a></li><li><a href="/Wellness/Weight/Related/subTopic.pg">Related Health Issues</a></li><li><a href="/Wellness/Weight/ChildrenTeens/subTopic.pg">Children and Teens</a><ul> </ul></li> </ul></li> </ul></li><li><a href="/MultimediaRoom/">Tools & Multimedia</a><ul> <li><a href="/InteractiveTools/Calculators/">Calculators</a></li><li><a href="/InteractiveTools/Quizzes/">Quizzes</a></li><li><a href="/InteractiveTools/RiskAssessments/">Risk Assessments</a></li><li><a href="/MultimediaRoom/VideoLibrary/">Video Library</a></li> </ul></li> </ul> </nav> </div> </div> </div> </div> <div class="row"> <!-- mainContent --> <div class="col-md-12" id="mainContent"> <div> <div class="row" id="innerColumn"> <div class="col-xs-12 col-sm-12 col-md-9" id="contentBodyMain"> <span class="AlphabeticalLinks"> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=a" data-kswid="searchLetter">A</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=b" data-kswid="searchLetter">B</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=c" data-kswid="searchLetter">C</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=d" data-kswid="searchLetter">D</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=e" data-kswid="searchLetter">E</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=f" data-kswid="searchLetter">F</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=g" data-kswid="searchLetter">G</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=h" data-kswid="searchLetter">H</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=i" data-kswid="searchLetter">I</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=j" data-kswid="searchLetter">J</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=k" data-kswid="searchLetter">K</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=l" data-kswid="searchLetter">L</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=m" data-kswid="searchLetter">M</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=n" data-kswid="searchLetter">N</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=o" data-kswid="searchLetter">O</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=p" data-kswid="searchLetter">P</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=q" data-kswid="searchLetter">Q</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=r" data-kswid="searchLetter">R</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=s" data-kswid="searchLetter">S</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=t" data-kswid="searchLetter">T</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=u" data-kswid="searchLetter">U</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=v" data-kswid="searchLetter">V</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=w" data-kswid="searchLetter">W</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=x" data-kswid="searchLetter">X</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=y" data-kswid="searchLetter">Y</a> <a href="/Library/DiseasesConditions/Pediatric/Encyclopedia.pg?Letter=z" data-kswid="searchLetter">Z</a> </span><div class="backLink topicLink"><a href="./">Topic Index</a></div><div class="backLink libraryLink"><a href="../">Library Index</a></div><div class="directions alphaDirections">Click a letter to see a list of conditions beginning with that letter.</div><div class="directions topicDirections">Click 'Topic Index' to return to the index for the current topic.</div><div class="directions libraryDirections">Click 'Library Index' to return to the listing of all topics.</div> <div class="AlphabeticalList"> <h2 data-kswid="title">Pediatric Diseases and Conditions: K</h2> <div class="content"> <div class="item" data-kswid="articleTitle"><a href="90,P01801">Kawasaki Disease</a></div> </div> </div> </div> <div class="col-xs-12 col-md-3" id="contentBodyAside"> <div id="C2AContainer"> <div id="UpperTextContainer" data-kswid="callToActionTitle"> <input type="hidden" id="searchPhraseC2AHidden" value=""/> <span>Contact Our Health Professionals</span> <div class="C2AAboutTextContainer"></div> </div> <div id="ButtonContainer"> <a target="_blank" href='https://physiciandirectory.brighamandwomens.org/' data-kswid="callToActionLink" class="btn btn-info" role="button" title="Find a Doctor">Find a Doctor</a> <a target="_blank" href='https://www.brighamandwomens.org/forms/request-an-appointment' data-kswid="callToActionLink" class="btn btn-info" role="button" title="Request an Appointment">Request an Appointment</a> <a target="_blank" href='https://www.brighamandwomens.org/about-bwh/brigham-and-womens-hospital-locations-and-affiliates' data-kswid="callToActionLink" class="btn btn-info" role="button" title="Locations">Locations</a> <a target="_blank" href='https://www.brighamandwomens.org/services' data-kswid="callToActionLink" class="btn btn-info" role="button" title="Services">Services</a> </div> <div id="SocialContainer"> <span class="FollowUs">Follow Us</span> <div class="socialIcons"> <a target="_blank" href='https://www.facebook.com/BrighamandWomensHospital/' title='Follow Us on Facebook' data-kswid="callToActionMedia"><img class="SocialImage" src='_Images/ico_facebook.png' alt="" /></a> <a target="_blank" href='https://twitter.com/brighamwomens' title='Follow Us on Twitter' data-kswid="callToActionMedia"><img class="SocialImage" src='_Images/ico_twitter.png' alt="" /></a> <a target="_blank" href='https://www.youtube.com/c/brighamwomenshospital' title='Follow Us on You Tube' data-kswid="callToActionMedia"><img class="SocialImage" src='_Images/ico_youtube.png' alt="" /></a> <a target="_blank" href='https://brighamhealthhub.org/' title='Follow Us on HealthHub' data-kswid="callToActionMedia"><img class="SocialImage" src='_Images/ico_healthhub.png' alt="" /></a> </div> </div> </div> <div id="GlobalAdmin"> </div> </div> </div> <div class="row"></div> </div> </div> </div> <div class="row"> <!-- footer --> <div class="col-md-12"> <div id="contentFooter"> <div> <span class="powered">Powered by</span> <a href="http://staywell.com/"> <img src="images/poweredby_SW.png" alt="StayWell" title="StayWell" data-kswid="footerLogo" /> </a> </div> <div data-kswid="footerCopyright" class="copyright"> Copyright &copy; <script language="javascript" type="text/javascript"> var today = new Date() var year = today.getFullYear() document.write(year) </script> The StayWell Company, LLC. except where otherwise noted. </div> <a href="/About/" data-kswid="footerAbout">About StayWell</a> </div> </div> </div> </div> </div> </div> <a href="#" class="scrollUp" title="Scroll to top"><i class="fa fa-chevron-circle-up"></i></a> </div> <div class="footer"> <div class="row"> <div class="social-bar component"> <div class="container"> <div class="social-bar__wrapper"> <div class="social-bar__table-cell"> <p class="social-bar__content"> <span>Stay Informed.</span>&nbsp; <span>Connect with us.</span>&nbsp; </p> </div> <div class="social-bar__table-cell"> <ul class="social-bar__list"> <li class="social-bar__item"> <a class="social-bar__link" alt="Like BWH on Facebook" href="https://www.facebook.com/pages/Brigham-and-Womens-Hospital/43361098740"> <svg class="social-bar__icon"> <desc>Facebook</desc> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-fb"></use> </svg> </a> </li> <li class="social-bar__item"> <a class="social-bar__link" alt="Follow BWH on X (formerly Twitter)" href="https://twitter.com/BrighamWomens" target="_blank"> <svg class="social-bar__icon"> <desc>X (formerly Twitter)</desc> <use xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-tw"></use> </svg> </a> </li> <li class="social-bar__item"> <a class="social-bar__link" alt="Instagram at BWH" href="https://www.instagram.com/brighamandwomens/?hl=en"> <svg class="social-bar__icon"> <desc>Instagram</desc> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-ig"></use> </svg> </a> </li> <li class="social-bar__item"> <a class="social-bar__link" alt="Subscribe to BWH's YouTube Channel" href="https://www.youtube.com/user/Brighamandwomens"> <svg class="social-bar__icon"> <desc>YouTube</desc> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-yt"></use> </svg> </a> </li> <li class="social-bar__item"> <a class="social-bar__link" alt="BWH on LinkedIn" href="https://www.linkedin.com/company/brigham-and-women%27s-hospital"> <svg class="social-bar__icon"> <desc>LinkedIn</desc> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-ln"></use> </svg> </a> </li> <li class="social-bar__item"> <a class="social-bar__link" alt="Newsroom at BWH" href="https://www.brighamandwomens.org/about-bwh/newsroom/overview"> <svg class="social-bar__icon"> <desc>Newsroom</desc> <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="/assets/BWH/core/spritesheets/vector.spritesheet.svg#social-news"></use> </svg> </a> </li> </ul> </div> </div> </div> </div> </div> <footer role="contentinfo" class="footer__main row"> <div class="container"> <div class="footer__contact"> <img id="" src="/assets/BWH/core/sprites/vectors/bwh-logo.svg" alt="Brigham and Women's Hospital" href="" class="footer__logo" /> <div class="footer__contact-info"> <p class="h3">Brigham and Women's Hospital</p> <hr class="footer__contact-bar"/> <address>75 Francis Street,&nbsp;Boston&nbsp;MA&nbsp;02115</address> <a class="footer__contact-link" href="tel:617-732-5500">617-732-5500</a><span class="footer__link-border"></span><a class="footer__contact-link" title="" href="https://www.brighamandwomens.org/" target=""></a><a title="Contact Brigham and Women's Hospital" class="footer__contact-link" href="https://www.brighamandwomens.org/forms/contact-bwh-important-phone-numbers">Contact Us</a> <div > <p> General Information: <a href="tel:617-732-5500">617-732-5500</a> </p> <p> New Patients: <a href="tel:800-294-9999">800-294-9999</a> </p> </div> </div> </div> <div class="footer__links"> <nav class="footer__column"> <h3 class="footer__column-title">CENTERS OF EXCELLENCE</h3> <ul class="footer__list"> <li class="footer__item"> <a class="footer__link" title="Cancer Center of Excellence" href="https://www.brighamandwomens.org/cancer-center" target="">Cancer Center</a> </li> <li class="footer__item"> <a class="footer__link" title="Heart and Vascular Center" href="https://www.brighamandwomens.org/heart-and-vascular-center" target="">Heart &amp; Vascular Center</a> </li> <li class="footer__item"> <a class="footer__link" title="The Lung Center" href="https://www.brighamandwomens.org/lung-center" target="">The Lung Center</a> </li> <li class="footer__item"> <a class="footer__link" title="Neurosciences Center" href="https://www.brighamandwomens.org/neurosciences-center" target="">Neurosciences Center</a> </li> <li class="footer__item"> <a class="footer__link" title="Orthopaedic and Arthritis Center" href="https://www.brighamandwomens.org/orthopaedic-and-arthritis-center" target="">Orthopaedic &amp; Arthritis Center</a> </li> <li class="footer__item"> <a class="footer__link" title="Primary Care Center of Excellence" href="https://www.brighamandwomens.org/primary-care-center" target="">Primary Care Center</a> </li> <li class="footer__item"> <a class="footer__link" title="Women's Health Center of Excellence" href="https://www.brighamandwomens.org/womens-health" target="">Women's Health Center</a> </li> </ul> </nav> <nav class="footer__column"> <h3 class="footer__column-title">Clinical Departments</h3> <ul class="footer__list"> <li class="footer__item"> <a class="footer__link" title="Anesthesiology, Perioperative and Pain Medicine Clinical Department" href="https://www.brighamandwomens.org/anesthesiology-perioperative-and-pain-medicine" target="">Anesthesiology, Perioperative and Pain Medicine</a> </li> <li class="footer__item"> <a class="footer__link" title="Dermatology Clinical Department" href="https://www.brighamandwomens.org/dermatology" target="">Dermatology</a> </li> <li class="footer__item"> <a class="footer__link" title="Emergency Medicine Clinical Department" href="https://www.brighamandwomens.org/emergency-medicine" target="">Emergency Medicine</a> </li> <li class="footer__item"> <a class="footer__link" title="Department of Medicine" href="https://www.brighamandwomens.org/department-of-medicine" target="">Medicine</a> </li> <li class="footer__item"> <a class="footer__link" title="Neurology Clinical Department" href="https://www.brighamandwomens.org/neurology" target="">Neurology</a> </li> <li class="footer__item"> <a class="footer__link" title="Neurosurgery Clinical Department" href="https://www.brighamandwomens.org/neurosurgery" target="">Neurosurgery</a> </li> <li class="footer__item"> <a class="footer__link" title="Obstetrics and Gynecology Clinical Department" href="https://www.brighamandwomens.org/obstetrics-and-gynecology" target="">Obstetrics and Gynecology</a> </li> <li class="footer__item"> <a class="footer__link" title="Orthopaedic Surgery Clinical Department" href="https://www.brighamandwomens.org/orthopaedic-surgery" target="">Orthopaedic Surgery</a> </li> <li class="footer__item"> <a class="footer__link" title="Pathology Clinical Department" href="https://www.brighamandwomens.org/pathology" target="">Pathology</a> </li> <li class="footer__item"> <a class="footer__link" title="Pediatrics Clinical Department" href="https://www.brighamandwomens.org/pediatrics" target="">Pediatrics</a> </li> <li class="footer__item"> <a class="footer__link" title="Physical Medicine and Rehabilitation Clinical Department" href="https://www.brighamandwomens.org/physical-medicine-and-rehabilitation" target="">Physical Medicine and Rehabilitation</a> </li> <li class="footer__item"> <a class="footer__link" title="Psychiatry Clinical Department" href="https://www.brighamandwomens.org/psychiatry" target="">Psychiatry</a> </li> <li class="footer__item"> <a class="footer__link" title="Radiation Oncology Clinical Department" href="https://www.brighamandwomens.org/radiation-oncology" target="">Radiation Oncology</a> </li> <li class="footer__item"> <a class="footer__link" title="Radiology Clinical Department" href="https://www.brighamandwomens.org/radiology" target="">Radiology</a> </li> <li class="footer__item"> <a class="footer__link" title="Department of Surgery" href="https://www.brighamandwomens.org/surgery" target="">Surgery</a> </li> </ul> </nav> <nav class="footer__column footer__column--qlinks" > <h3 class="footer__column-title">Quick Links</h3> <ul class="footer__list"> <li class="footer__item"> <a class="footer__link" title="About Brigham and Women's Hospital" href="https://www.brighamandwomens.org/about-brigham-and-womens-hospital" target="">About BWH</a> </li> <li class="footer__item"> <a class="footer__link" title="Careers at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/about-bwh/careers" target="">Careers</a> </li> <li class="footer__item"> <a class="footer__link" title="COVID-19 Information" href="https://www.brighamandwomens.org/covid-19" target="">COVID-19 Information</a> </li> <li class="footer__item"> <a class="footer__link" title="Education &amp; Training for Medical Professionals at BWH" href="https://www.brighamandwomens.org/medical-professionals/brigham-education-institute" target="">Education &amp; Training</a> </li> <li class="footer__item"> <a class="footer__link" title="Make a Charitable Gift to Brigham and Women's Hospital" href="http://bwhgiving.org/mainsitefooter" target="_blank">Giving</a> </li> <li class="footer__item"> <a class="footer__link" title="Health Information" href="https://healthlibrary.brighamandwomens.org/" target="">Health Information</a> </li> <li class="footer__item"> <a class="footer__link" title="News at Brigham and Women's Hospital" href="https://www.brighamandwomens.org/about-bwh/newsroom/overview" target="">News</a> </li> <li class="footer__item"> <a class="footer__link" title="Centers of Excellence, Clinical Departments and Patient Services A-Z" href="https://www.brighamandwomens.org/services-a-to-z" target="">Services A-Z</a> </li> </ul> </nav> </div> </div> </footer> <div class="footer__bottom row"> <div class="container"> <div class="footer__partners"> <a target="_blank" alt="Harvard Medical School Teaching Hospital" href="https://hms.harvard.edu/"> <img id="" src="/assets/BWH/core/images/hms-320-150.png" alt="Harvard Medical School Teaching Hospital" href="https://hms.harvard.edu/" class="footer__partner-logo"/> </a> <a target="_blank" alt="Mass General Brigham" href="https://www.massgeneralbrigham.org/"> <img id="" src="/assets/BWH/core/images/2mgb-320x150.png" alt="Mass General Brigham" href="https://www.massgeneralbrigham.org/" class="footer__partner-logo"/> </a> </div> <div class="footer__legal"> <nav class="footer__utility"> <ul class="footer__util-list"> <li class="footer__item"> &copy;&nbsp;<script language="javascript" type="text/javascript"> var today = new Date() var year = today.getFullYear() document.write(year) </script>&nbsp;Brigham and Women's Hospital </li> <li class="footer__item"> <a class="footer__link" title="Accessibility" href="https://www.brighamandwomens.org/about-bwh/locations/boston-main-campus-accessibility" target="">Accessibility</a> </li> <li class="footer__item"> <a class="footer__link" title="Medical Resources A-L" href="https://www.brighamandwomens.org/medical-resources/medical-resources-a-l" target="">Resources A-L</a> </li> <li class="footer__item"> <a class="footer__link" title="Medical Resources M-Z" href="https://www.brighamandwomens.org/medical-resources/medical-resources-m-z" target="">Resources M-Z</a> </li> <li class="footer__item"> <a class="footer__link" title="Website Disclaimer" href="https://www.brighamandwomens.org/about-bwh/disclaimer" target="">Disclaimer</a> </li> <li class="footer__item"> <a class="footer__link" title="Organized Health Care Arrangement Notice" href="https://www.massgeneralbrigham.org/en/notices/organized-health-care-arrangement" target="_blank">Organized Health Care Arrangement Notice</a> </li> <li class="footer__item"> <a class="footer__link" title="Patient Privacy (HIPAA) Notice" href="https://www.massgeneralbrigham.org/notices/hipaa" target="">Patient Privacy Notice</a> </li> <li class="footer__item"> <a class="footer__link" title="Website Privacy Policy" href="https://www.brighamandwomens.org/about-bwh/privacy" target="">Privacy Policy</a> </li> <li class="footer__item"> <a class="footer__link" title="Sitemap" href="https://www.brighamandwomens.org/bwh-sitemap" target="">Sitemap</a> </li> </ul> </nav> </div> </div> </div> </div> <script src="responsiveControls.js"></script> </form> <script src="HealthLibraryMenu.js" type="text/javascript" ></script> <script src="/Scripts/GlobalEvents-1.0.js" type="text/javascript" ></script> <script src="/Scripts/callToAction-1.0.js" type="text/javascript" ></script> </body> </html><!--FRMWS01L-KRA-23-->

Pages: 1 2 3 4 5 6 7 8 9 10