Atrial fibrillation, also known as A-fib or AF, is an irregular heartbeat exemplified by rapid and abnormal beating of the heart. Most episodes of atrial fibrillation have no symptoms or fewer symptoms such as intermittent heart palpitations, lightheadedness, fainting, chest pain, and shortness of breath. Atrial fibrillation is linked with an elevated risk of heart failure, stroke, and dementia. The disease is a kind of supraventricular tachycardia. Risk factors associated with atrial ... Read more
