肺动脉栓塞是引起猝死的常见原因之一 ,在欧美发病率较高 ,仅美国每年约有 2 0万人死于肺栓塞[1] 。值得注意的是肺栓塞的临床表现轻重不一 ,常有漏诊和误诊 ,国内报道尸检 90例中生前获得确诊者仅占 7.8% [2 ] ,这说明临床医护工作者对该病的认识还不够。本院发生过 7例 ,其中 Pulmonary embolism is one of the common causes of sudden death, with a high prevalence in Europe and the United States, with an estimated 20 million deaths from pulmonary embolism each year in the United States alone [1]. It is noteworthy that the clinical manifestations of pulmonary embolism vary in severity, often missed diagnosis and misdiagnosis, 90 cases of domestic autopsy reported in prenatal diagnosis was only 7.8% [2], indicating that the understanding of the disease clinical health care workers is not enough . There have been 7 cases in this hospital, among them