https://www.webmd.com/heart-disease/atrial-fibrillation/atrial-fibrillation-blood-clots What to Know About Atrial Fibrillation and Blood Clots Atrial fibrillation can cause blood clots that can lead to strokes. Find out the symptoms of blood clots, how to prevent a stroke, and how to care for someone with atrial fibrillation. www.webmd.com 심방세동 및 혈전 https://www.webmd.com/heart-disease/atrial-fib..