Atrial fibrillation (say "AY-tree-uhl fih-bruh-LAY-shun") is a type of irregular heartbeat
(arrhythmia) in which the heart's upper chambers quiver, or fibrillate. This increases
the risk of blood clots, which can cause a stroke or other problems. The lower chambers
beat without a regular rhythm and may beat too fast. This can cause symptoms like
lightheadedness or chest pain.
Treatment is done to control your heart rate or heart rhythm and to prevent stroke.
Medical Review:Adam Husney, MD - Family Medicine & Rakesh K. Pai, MD - Cardiology, Electrophysiology & Martin J. Gabica, MD - Family Medicine & John M. Miller, MD, FACC - Cardiology, Electrophysiology
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