Dr. Hugh Calkins answers the question: 'Atrial Fibrillation vs. Atrial Flutter?' — -- Question: My doctor told me I sometimes have atrial fibrillation and at other times have atrial flutter. What ...

Drinking a cup of caffeinated coffee daily led to a significant drop in atrial fibrillation (AF) or flutter in patients with sustained AF compared with those who abstained from coffee and caffeine, ...