cardioplegia

noun

1. the temporary arresting of the heartbeat during cardiac surgery by any of various methods, especially by injection of chemical substances.

noun

1. med deliberate arrest of the action of the heart, as by hypothermia or the injection of chemicals, to enable complex heart surgery to be carried out

n.

1. Paralysis of the heart, or cardiac arrest, as from direct blow or trauma.
2. Elective, temporary stopping of cardiac activity, usually by using drugs.