Cardiac arrest and Coronary thrombosis

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.

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

Coronary thrombosis noun - Obstruction of blood flow in a coronary artery by a blood clot (thrombus).

Cardiac arrest and coronary thrombosis are semantically related in heart failure topic. You can use "Cardiac arrest" instead a noun phrase "Coronary thrombosis".