What is Atrial Fibrillation? | American Heart Association
https://www.heart.org/en/health-topics/atrial-fibrillation/what-is-atrial-fibrillation-afib-or-af
WebMar 23, 2023 · 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. Over 12 million people are projected to have AFib by 2030. Here’s how patients have described their experience:
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