noun ·Rare ·Advanced level

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

Synonyms

All synonyms

cardiac arrestcardiopulmonary arrestcardiac arrestcardiopulmonary arrestflatlineflatline

Etymology

From a- + systole.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.