Atrial fibrillation (AFib) is a type of heart arrhythmia that causes the top chambers of your heart, the atria, to quiver and beat irregularly. AFib used to be described as chronic or acute, with ...

Atrial fibrillation (AFib) can lead to blood clots, stroke, heart failure, and other heart-related complications. New consumer patient research from the Dallas-based American Heart Association found ...

Atrial fibrillation (AFib) can cause symptoms that feel similar to a panic attack, such as a rapid heartbeat, sweating, and lightheadedness. However, panic attacks typically peak within a few minutes.

Atrial fibrillation happens most often in older adults and in people with other heart problems. But it also affects younger people. Roughly 800,000 Americans under age 40 have atrial fibrillation, ...

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 (AFib) is a condition that causes your heart to beat in an irregular rhythm. One way to classify AFib is by what’s causing it. Valvular AFib and nonvalvular AFib are terms used to ...

Atrial fibrillation (AFib) is related to inflammation in your body, like other heart disease. Some research suggests that inflammation can cause AFib or make it worse if you already have it. Other ...

Dear Dr. Roach: I'm a generally healthy 60-year-old man. Last week, I had some abdominal cramping, and while I was on the toilet, I noted the abrupt onset of a strange feeling in my chest as well as ...

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 ...