Atrial fibrillation, also called AF or AFib, is a quivery, fluttery heartbeat. You might also hear the doctor call it arrhythmia. It means your heart’s normal rhythm is out of whack. Because your ...
Atrial fibrillation (A-fib) is a type of arrhythmia, or irregular heartbeat. It often causes the heart to beat unusually fast. The three main types of atrial fibrillation are: paroxysmal, persistent, ...
Atrial fibrillation (AF or afib) is a type of heart rhythm disorder, or arrhythmia. It causes your heart to beat irregularly and can significantly increase the heart rate, leading to your heart’s ...