Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm, also called an arrhythmia and can create blood clots in the heart, which can increase your risk of having a stroke by five ...
Atrial fibrillation (AFib) is a common heart rhythm problem. It happens when the upper chambers of the heart beat in an irregular and often rapid way. AFib becomes more common with age, especially in ...