一般估计,美国每年有50万人发生肺栓塞,其中10～20％死亡,据一综合医院观察,肺栓塞是最常见的单一死因。每7个死者中即有1个死于本病,占美国人总死因的第3位。肺栓塞的重要性还在于它常被漏诊。尸检时,虽然14％的病例有明显的栓子,但生前作出诊断者不足半数。本文复习肺栓塞的临床特征、诊断方法、治疗措施以及静脉血栓和肺栓塞的 It is generally estimated that 500,000 pulmonary embolism occurs in the United States each year, of which 10 to 20% are fatal. According to a general hospital observation, pulmonary embolism is the single most common cause of death. One out of seven dead people dies of this disease, accounting for the third highest proportion of all deaths in the United States. The importance of pulmonary embolism is that it is often missed. At the autopsy, although 14% of the patients had clear emboli, less than half were diagnosed during their lifetime. This review of the clinical features of pulmonary embolism, diagnostic methods, treatment and venous thrombosis and pulmonary embolism