Auricular fibrillation
Alternative names
A-fib; Atrial fibrillation/flutter
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 7, 2012
by Sharon M. Smith, M.D.
by Sharon M. Smith, M.D.
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