Atrial fibrillation/flutter

Alternative names
Auricular fibrillation; A-fib

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.

see A-fib.

Johns Hopkins patient information

Last revised:

Diseases and Conditions Center

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