Cardiac arrest and Cardiopulmonary arrest

Cardiac arrest 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.

Cardiopulmonary arrest is a synonym for cardiac arrest in heart attack topic. In some cases you can use "Cardiopulmonary arrest" instead a noun phrase "Cardiac arrest".

Cardiopulmonary arrest 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.

Cardiac arrest is a synonym for cardiopulmonary arrest. You can use "Cardiac arrest" instead a noun phrase "Cardiopulmonary arrest".