猝死是指平素看来健康或病情基本稳定 ,无明显外因 ,非创伤也非自伤 ,意料不到的突然死亡。导致猝死最常见机制是室性快速心律失常 ,继之为慢性心律失常或心搏停顿[1] 。猝死在围生期也可发生 ,尤其妊娠合并心脏病是引起围生期猝死的常见原因。　　妊娠合并心脏病是产科中非常 Sudden death is usually seen as normal or stable condition, no obvious external causes, non-trauma and non-self-injury, unexpected sudden death. The most common mechanism leading to sudden death is ventricular tachyarrhythmia, followed by chronic arrhythmia or cardiac arrest [1]. Sudden death in the perinatal period can also occur, especially in pregnancy complicated with heart disease is a common cause of sudden perinatal death. Pregnancy complicated by heart disease is very obstetric