越来越多的资料表明( 1) ,肺栓塞不仅在西方国家 ,而且在我国也是一个比较常见的疾病。因误诊率高 ,病死率居高不下。误诊原因是医生对此病认识不足。肺栓塞常见症状有 :劳力性呼吸困难 ,与呼吸有关的胸痛、咳嗽、咯血等 ,少见症状有晕厥反复发作、休克及猝死。主要决定于栓子 More and more data show that (1), pulmonary embolism is not only in Western countries, but also in our country is a more common disease. Due to high misdiagnosis rate, high mortality. The reason for misdiagnosis is that doctors do not know enough about this disease. Common symptoms of pulmonary embolism are: exertional dyspnea, and respiratory-related chest pain, cough, hemoptysis, rare symptoms of recurrent syncope, shock and sudden death. The main decision is emboli