English dictionary
asystole
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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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
Source: WordNet 3.0
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A weakening or cessation of the contractile power of the heart.
Source: webster1913