心脏性猝死(SCD)系指由于心脏原因所致的突然死亡。可发生于原来有或无心脏病的患者中,常无任何危及生命的前期表现,突然意识丧失,在急性症状出现后1h内死亡,特征为出乎意料的迅速死亡。91%以上的心脏性猝死是心律失常所致[1]。近年,心脏性猝死人数呈逐年上升趋势,我们对42例 Sudden cardiac death (SCD) means a sudden death due to a cardiac cause. Can occur in patients with or without heart disease, often without any prior life-threatening manifestations, sudden loss of consciousness, and death within 1 hour of onset of acute symptoms, characterized by an unexpectedly rapid death. More than 91% of sudden cardiac death is caused by arrhythmia [1]. In recent years, the number of sudden cardiac death has been increasing year by year, we have 42 cases