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<div class="HwContainer HwElement" id="HwContainer"><a class="HwMainSkipNavigation" href="#HwContentTitle"><span class="HwAccessibilityText">Skip Navigation</span></a><div class="HwBlock" id="HwMain" role="main"><div class="HwRow"><div class="HwColumn" id="HwColumnSidebar1"><div class="HwCustom" id="HwCustomSidebar"> </div></div><div class="HwColumn" id="HwColumnContent"><div id="HwContentTop"> </div><div class="HwTypeFocus HwContentWrapper HwElement" role="article" id="HwContentWrapper"><div class="HwCustom" id="HwCustomContentTop"> </div><div class="HwContentHeader"><p><a name="top" id="Hwtop"><span class="HwAccessibilityText">Top of the page</span></a> </p></div><div class="HwContentTitle"><h1 id="HwContentTitle" tabindex="-1">Heart Rhythm Problems: Symptoms</h1></div><div class="HwContentTopNavigation"> </div><div class="HwContent"><div class="HwNavigationSection HwSectionSpecialSection" id="sec-hw84959-sec"><h2 class="HwSectionTitle" fingerprint="b4cb0a40" fingerprint-exact="e7c3d1bb">Overview</h2> <p fingerprint="6250e7aa" fingerprint-exact="7cfa35ef"> Heart rhythm problems, called arrhythmias, can cause a few types of symptoms. Some of these symptoms include: </p> <dl> <dt fingerprint="e93e1ee2" fingerprint-exact="a2b208ac">Palpitations.</dt> <dd fingerprint="29013d98" fingerprint-exact="b4165d94"> <p> Having palpitations means that you are unusually aware of your heartbeat. Some people describe them as: </p> <ul> <li> A "fluttering" in their chest. </li> <li> A "skipped beat." </li> <li> A "pounding sensation." </li> <li> A feeling that the heart is "jumping out of my chest." </li> </ul> </dd> <dt fingerprint="caf49ad6" fingerprint-exact="f03a43c8">Lightheadedness.</dt> <dd fingerprint="00420b3c" fingerprint-exact="7f608102"> <p> If you have an arrhythmia that causes your heart to beat too fast or too slow, you may feel lightheaded or dizzy. </p> </dd> <dt fingerprint="9bacb013" fingerprint-exact="26328e73">Fainting (syncope).</dt> <dd fingerprint="aa75bfc9" fingerprint-exact="5aba30da"> <p> Syncope (say "SING-kuh-pee") is a sudden loss of consciousness that doesn't last long. It may be the first sign that you have an arrhythmia. </p> </dd> <dt fingerprint="538bf5f3" fingerprint-exact="3a37b64e">Shortness of breath.</dt> <dd fingerprint="bc233a03" fingerprint-exact="c822b7b9"> <p> Feeling short of breath (dyspnea) often happens during arrhythmias. This symptom can be hard for people to describe. It may be referred to as: </p> <ul> <li>Feeling short of breath. </li> <li> Feeling tightness in the chest. </li> <li> Being winded. </li> <li> Feeling tired from walking. </li> </ul> </dd> </dl> </div><div class="HwNavigationSection HwSectionRelatedInformation" id="sec-te7184abc-RelInfo"><h2 class="HwSectionTitle" fingerprint="d5f858e0" fingerprint-exact="c0ffe04b">Related Information</h2><ul fingerprint="5f274ea7" fingerprint-exact="bd1dc6a7"><li class="HwOptionalAny"><a data-hw-type="Major" data-hw-document-href="hw160870" data-hw-section="acn1286" hw:document-type="Major" hw:document-href="hw160870" data-hwid="hw160870" hw:section-href="acn1286" href="?id=hw160870#acn1286">Atrial Fibrillation</a></li><li class="HwOptionalAny"><a data-hw-type="Mini" data-hw-document-href="aa107571" data-hw-section="aa107574" hw:document-type="Mini" hw:document-href="aa107571" data-hwid="aa107571" hw:section-href="aa107574" href="?id=aa107571#aa107574">Bradycardia (Slow Heart Rate)</a></li><li class="HwOptionalAny"><a data-hw-type="Focus" data-hw-document-href="ps1198" data-hw-section="ps1198-sec" hw:document-type="Focus" hw:document-href="ps1198" data-hwid="ps1198" hw:section-href="ps1198-sec" href="?id=ps1198#ps1198-sec">Heart Rhythm Problems: Diary of Symptoms</a></li><li class="HwOptionalAny"><a data-hw-type="Major" data-hw-document-href="ps1684" data-hw-section="acn1504" hw:document-type="Major" hw:document-href="ps1684" data-hwid="ps1684" hw:section-href="acn1504" href="?id=ps1684#acn1504">Supraventricular Tachycardia</a></li><li class="HwOptionalAny"><a data-hw-type="Mini" data-hw-document-href="te7875spec" data-hw-section="te7876" hw:document-type="Mini" hw:document-href="te7875spec" data-hwid="te7875spec" hw:section-href="te7876" href="?id=te7875spec#te7876">Ventricular Tachycardia</a></li></ul></div><div class="HwNavigationSection HwCreditsSection HwCreditsWithoutNavstack HwSectionCredits" id="sec-te7184abc-Credits"><h2 class="HwSectionTitle">Credits</h2><div 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