A Discussion on Atrial Fibrillation with cardiologist Hugh Calkins 

September is National Atrial Fibrillation Awareness Month. Atrial fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure and other heart-related complications. According to the American Heart Association, at least 2.7 million Americans are living with AFib.