心源性猝死是因心脏骤停而导致的突然死亡。由于冬季气候寒冷,人体血管收缩,一些看上去还“健康”的中老年人,或是患有冠心病,病情平稳的患者,在短时间内突然猝死在家中。据统计,发病1小时内死亡者占猝死的80%～90%。在我国, Sudden cardiac death is caused by a sudden cardiac arrest. Due to the cold winter climate, the blood vessels of the human body contract. Some middle-aged and elderly people who still appear to be “healthy” or who have coronary heart disease and are in stable condition suddenly die suddenly at home. According to statistics, within 1 hour of onset of death accounted for 80% to 90% of sudden death. In my country,