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 (AFib or AF) is a type of irregular heartbeat. AFib can occur with no symptoms and can cause life threatening cardiac events like stroke, heart failure, and blood clots if not ...

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, ...

More people have atrial fibrillation (AFib) than any other kind of irregular heartbeat. And the numbers are only expected to go up as people live longer with heart conditions that go along with it.

A left atrial appendage closure is a procedure your doctor may recommend if: you have atrial fibrillation (also known as AF or AFib) or you are not a good candidate for taking blood thinner medication ...

Share on Pinterest Untreated AFib is associated with a 45% increased risk of developing mild cognitive impairment, a new research letter says. spxChrome/Getty Images For people with untreated atrial ...