Atrial Fibrillation

What is atrial fibrillation?

Atrial fibrillation is a quivering or irregular heartbeat, or arrhythmia. Atrial fibrillation, also known as AFib or AF, can lead to blood clots, stroke, heart failure and other heart-related complications.
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Living With AFib Guide

People with AFib are more likely to have a stroke.

Our guide can help you learn more about AFib, ways to manage it and how to reduce your risk for stroke.

Connect with People Who Care

Get the support you need by connecting online with others who are living with AFib. MyAFibExperience® is a place where people can share their real stories and make a real difference in people’s lives.

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For Health Care Professionals

Stay up to date with resources, information and current guidelines to improve patient care using Get With The Guidelines® - AFib.

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The HCA Healthcare Foundation is the national sponsor of .