Cardiac arrest and Heart stoppage

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.

Heart stoppage and cardiac arrest are semantically related. in heart attack topic. In some cases you can use "Heart stoppage" instead a noun phrase "Cardiac arrest".

Cardiac arrest and heart stoppage are semantically related. Sometimes you can replace phrase "Cardiac arrest" with "Heart stoppage", this phrases are similar.