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Definition of Cardiac arrest
1. Noun. 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.
Definition of Cardiac arrest
1. Noun. (cardiology pathology) Sudden and complete cessation of the heartbeat resulting in the loss of effective circulation of the blood. ¹
¹ Source: wiktionary.com
Medical Definition of Cardiac arrest
1. This refers to the complete cessation of cardiac activity (heartbeat). (27 Sep 1997)