目的分析12例肺栓塞的误诊原因并进行总结。方法对首诊误诊肺栓塞患者12例进行临床分析。结果误诊为冠心病6例,误诊为心功能不全和肺部感染各3例。结论对肺栓塞应该提高警惕,按照诊断流程进行分析。只有这样才能避免误诊,对患者进行及时有效的救治。 Objective To analyze the causes of misdiagnosis in 12 cases of pulmonary embolism and summarize. Methods The clinical data of 12 patients with first diagnosis of misdiagnosed pulmonary embolism were analyzed. The results were misdiagnosed as coronary heart disease in 6 cases, misdiagnosed as cardiac insufficiency and pulmonary infection in 3 cases. Conclusion PE should be vigilant, according to the diagnostic process analysis. The only way to avoid misdiagnosis, the timely and effective treatment of patients.