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为提高肺动脉栓塞的诊断和治疗水平，回顾性分析了５４例肺动脉栓塞病例。重点分析常见病因、症状、体征及实验室检查结果。本组５４例病死率为３７％，深静脉血栓形成是肺动脉栓塞发生的主要原因，其发生率为５５％，细菌性心内膜炎、手术、外伤、肿瘤、活动量减少是常见诱因。结论：放射性核素肺灌注和通气扫描相结合具有很高的诊断价值，应做为必查项目；及时诊断和治疗可显著降低病死率和病残率。
To improve the diagnosis and treatment of pulmonary embolism, a retrospective analysis of 54 cases of pulmonary embolism. Focus on the analysis of common causes, symptoms, signs and laboratory test results. The group of 54 cases of mortality was 37%, deep venous thrombosis is the main cause of pulmonary embolism, the incidence was 55%, bacterial endocarditis, surgery, trauma, cancer, decreased activity is a common cause. Conclusion: The combination of radionuclide pulmonary perfusion and ventilation scans is of high diagnostic value and should be taken as a necessary item. Timely diagnosis and treatment can significantly reduce mortality and morbidity.