Atrial Fibrillation


What is atrial fibrillation?

Atrial fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure and other heart-related complications. At least 2.7 million Americans are living with AFib.

Connect with People Who Care

If you or someone you love is affected by Atrial Fibrillation, explore our digital community, My AFib Experience®.

A unique online community for people living with AFib.

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Senior couple using computer My A-Fib Experience

Watch, Learn and Live

See your cardiovascular system in action with our interactive illustrations and animations.