Asystole

noun

Definitions

Noun
  1. 1
    An absence of a systole; a failure of the heart to contract.
  2. 2
    absence of systole; failure of the ventricles of the heart to contract (usually caused by ventricular fibrillation) with consequent absence of the heart beat leading to oxygen lack and eventually to death wordnet

Etymology

From a- + systole.

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