Atrial Fibrillation (AFib)
Understanding the most common heart rhythm disorder.
What is Atrial Fibrillation?
Atrial fibrillation, often called AFib, is an irregular and often very rapid heart rhythm (arrhythmia) that can lead to blood clots in the heart. AFib increases the risk of stroke, heart failure and other heart-related complications.
During atrial fibrillation, the heart's two upper chambers (the atria) beat chaotically and irregularly — out of coordination with the two lower chambers (the ventricles) of the heart.
Common Symptoms
- Palpitations (sensations of a racing, uncomfortable, irregular heartbeat or a flip-flopping in your chest)
- Weakness
- Reduced ability to exercise
- Fatigue
- Lightheadedness
- Dizziness
- Shortness of breath
- Chest pain
Treatment Options
Treatment for atrial fibrillation depends on how long you've had AFib, how bothersome your symptoms are and the underlying cause of your atrial fibrillation. Goals of treatment are to:
- Reset the rhythm or control the rate
- Prevent blood clots
Options include medication, cardioversion, catheter ablation, or device therapy.
Concerned you might have AFib?
Early diagnosis and treatment can significantly reduce the risk of complications.
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