This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Atrial fibrillation, or AFib, is a condition in which the heart beats quickly and irregularly. According to the Centers for Disease Control and Prevention, AFib is the most common heart rhythm ...

Atrial fibrillation, or AFib, is the most common type of irregular heartbeat. About 2.7 million Americans have it. AFib happens when the electrical activity of the heart isn’t working the way it’s ...

More than 33 million people around the world have the irregular, often rapid heartbeat known as atrial fibrillation (AFib). It’s more common as you get older. But for reasons that aren’t fully ...