肺栓塞仍然容易被忽视。虽然几乎所有的医生都已充分意识到引起静脉血栓栓塞的危险因素 ,但由肺栓塞导致的意外死亡仍有不少。然而 ,肺栓塞的自然病程已被人们清楚地认识 ,一旦能考虑到该病的诊断 ,给予恰当的治疗 ,通常是有效的 ,而且很少发生死亡1。由于抗凝治疗具有一定危险 Pulmonary embolism is still easily overlooked. Although almost all doctors are fully aware of the risk factors for causing venous thromboembolism, there are still many accidents caused by pulmonary embolism. However, the natural history of pulmonary embolism has been well recognized, and given the diagnosis of the disease, the proper treatment is usually effective and rarely occurs. Because of anticoagulant therapy has a certain risk