ventricular fibrillation

^ http://www.ebi.ac.uk/efo/EFO_0004287

A potentially lethal cardiac arrhythmia that is characterized by uncoordinated extremely rapid firing of electrical impulses (400-600/min) in HEART VENTRICLES. Such asynchronous ventricular quivering or fibrillation prevents any effective cardiac output and results in unconsciousness ( SYNCOPE). It is one of the major electrocardiographic patterns seen with CARDIAC ARREST.

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