Cardiac arrest and Chest pains

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.

Chest pains and cardiac arrest are semantically related In some cases you can use "Chest pains" instead a noun phrase "Cardiac arrest".

Cardiac arrest and chest pains are semantically related in heart failure topic. You can use "Cardiac arrest" instead a noun phrase "Chest pains".