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.
A condition similar to atrial fibrillation is atrial flutter. Atrial flutter is caused when the atrias receive chaotic electric signals, but quiver or flutter and beat in a fast, rhythmic pattern.
Possible causes of atrial fibrillation and atrial flutter may include but are not limited to:
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