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 ...

A-fib with RVR refers to atrial fibrillation with a rapid heart rate, or rapid ventricular response. RVR is a complication of A-fib that disrupts blood supply to the body and can involve chest ...

Seeing a loved one pass out with their eyes rolled back is a terrifying thing to experience. That minute or two you live ...

The veteran defensive lineman said his heart went into atrial fibrillation or "Afib," and needed to be shocked back into rhythm on Thursday. Afib stands for atrial fibrillation, which is a type ...

More people than ever have an abnormal heart rhythm, or what doctors call atrial fibrillation (AFib). While family history and getting older can play a part, you can control something that can ...