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 increases the risk of serious, potentially life-threatening complications, such as blood clots and stroke.

Considering these risks, it pays to know what the signs of this condition are…