Atrial fibrillation/flutter
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.
Last revised: December 6, 2012
by Dave R. Roger, M.D.
by Dave R. Roger, M.D.
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