Harvard Heart Letter
Managing atrial fibrillation: An update
New guidelines provide advice on the role of drugs, weight loss, and procedures to cope with this common heart rhythm disorder. The classic symptom of atrial fibrillation — a fluttering or thumping sensation in the chest — can leave you breathless, dizzy, and tired. Caused by electrical misfires in the heart’s upper chambers (atria), this condition affects an estimated one in 11 people ages 65 and older.