Ventricular fibrillation is the most serious form of abnormal heartbeat and can lead to cardiac arrest (when the heart suddenly stops beating) and sudden cardiac death, according to the American Heart Association.
November 16, 2025
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Definition and clinical consequences provided by the American Heart Association.
Ventricular fibrillation occurs in the heart's lower chambers (the ventricles).
November 16, 2025
high
medical
Anatomical description of where ventricular fibrillation takes place.