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 is a leading preventable cause of recurrent stroke for which early detection and treatment are critical. However, paroxysmal atrial fibrillation is often asymptomatic and likely to ...

Atrial fibrillation occurs and maintains itself in the context of a morphologically and functionally altered atrial substrate that can be induced by stressors such as underlying diseases (cardiac or ...

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 ...