Atrial fibrillation/flutter
Key points
- Atrial fibrillation/flutter is a heart rhythm disorder (arrhythmia).
- It usually involves a rapid heart rate, in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner.
Alternative names
Auricular fibrillation; A-fib
Definition
Atrial fibrillation/flutter is a heart rhythm disorder (arrhythmia). It usually involves a rapid heart rate, in which the upper heart chambers (atria) are stimulated to contract in a very disorganized and abnormal manner.
Written and revised by
Gerald Hurowitz, M.D.
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