A Primer on Atrial Fibrillation: Causes, Treatments, Stroke Prevention, and Monitoring
Atrial fibrillation occurs when the normal, regular, synchronous action of the upper chambers of the heart becomes chaotic, rapid, and inefficient. Some who go into atrial fibrillation know it right away because they feel bad-they feel what we doctors term palpitations: a sensation that their heart is beating rapidly or