10 Heart-stopping Symptoms of Irregular Heartbeat

Medical checkup of irregular heartbeat concept.

About 5% of the United States population has an arrhythmia, or irregular heartbeat. Also called dysrhythmia, arrhythmia can mean the heart beats too slowly (bradycardia), too quickly (tachycardia), or simply irregularly, as is the case with atrial fibrillation (AF or AFib) where two upper chambers of the heart (atria) quiver. Left untreated, an irregular heartbeat …

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