肺动脉栓塞 (Pulm onary embolism ;PE)是一常见心血管疾病 ,发病率高 ,极易漏诊及误诊 ,不经治疗 ,死亡率很高。在美国 ,每年发病 70万 ,病死率达 2 0 %～ 40 % ,被列为第三死因 [1 ] 。本文分析了 2 0 0 0年至 2 0 0 1年 ,经北京大学人民医院心内科诊治的 2 0例 PE患者的临床 Pulmonary embolism (Pulm embolism; PE) is a common cardiovascular disease, high incidence, easily missed diagnosis and misdiagnosis, without treatment, the mortality rate is high. In the United States, the annual incidence of 700,000, the mortality rate of 20% to 40%, was classified as the third cause of death [1]. This article analyzes the 20 years from 2001 to 2001, the Peking University People’s Hospital of Cardiology diagnosis and treatment of 20 cases of PE patients