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
例句
用作名词 (n.)
Cardiac arrest kills more than three hundred thousand people in the United States every year. 在美国,每一年有超过三十万人由于心搏停止而丧失性命。