Atrial fibrillation is an irregular or rapid heartbeat that can cause poor blood flow to the body. It is caused when the two upper chambers of the heart, known as the atrias, receive chaotic electric signals, causing them to quiver and beat out of sync and coordination with the heart’s lower two chambers, known as the ventricles.
Possible causes of atrial fibrillation may include but are not limited to:
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- High blood pressure
- Heart attacks
- Heart defects
- Sleep apnea
- Viral infections