心拍停止

(1)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

(2)心収縮の欠如

(3)心臓心室の収縮不全で、（通常、心室細動によって生じ）その結果心拍が停止し、酸素欠乏によって死にいたる