猝死是指看来健康或病情稳定的病人,突然发生心跳呼吸停止,及时而正确的抢救可使不少患者获救;否则即死亡。美国每年约有30万人猝死,其中90％由于心室颤动。调查北京宣武区30岁以上成人1,261人,1975年～1977年三年内死亡3955人,猝死202人,占5％。心脏骤停的病因以冠心病最多,一组868例尸检资料,65～74％有急性或陈旧性心肌梗塞。近年来心脏骤停的抢救成功率明显提高,美国和加拿大院外猝死抢救成功率均达40％,有专业人员 Sudden death refers to the patient appears to be healthy or stable condition, sudden heartbeat and respiratory arrest, timely and correct rescue will enable many patients were rescued; otherwise death. Approximately 300,000 sudden deaths occur each year in the United States, of which 90% are due to ventricular fibrillation. Investigation of 1,261 adults over the age of 30 in Xuanwu District, Beijing, and 3,955 deaths in three years from 1975 to 1977, with 202 sudden deaths (5%). The cause of cardiac arrest to coronary heart disease most, a group of 868 autopsy data, 65 ~ 74% of acute or old myocardial infarction. In recent years, the success rate of cardiac arrest improved significantly, the United States and Canada, the success rate of sudden death outside the hospital were 40%, there are professionals