对动脉导管未闭合并右心感染性心内膜炎误诊为肺结核1例分析如下。1病历摘要男,18岁。因左侧胸痛5 d于2010-09-02入住外院。患者于2010-08-25自觉轻微发热、乏力、咽痛等感冒症状,未予重视。2010-08-27突然出现左侧胸部持续性疼痛,体位改变及深吸气时加重,活动后气促,无畏寒、发热、盗汗、咳嗽、咳痰。既往体健,过去史、个人史、家族史无特殊。查体:左下肺呼吸音减弱 1 case of patent ductus arteriosus unclosed and right heart infective endocarditis misdiagnosed as tuberculosis as follows. 1 medical record summary male, 18 years old. Due to left side of the chest pain 5 d at 2010-09-02 admitted to the hospital. Patients with mild fever, fatigue, sore throat and other symptoms of cold in 2010-08-25, have not been valued. 2010-08-27 Sudden chest pain in the left side of the chest, postural changes and increased deep inspiration, shortness of breath after activities, no chills, fever, night sweats, cough, sputum. Past physical health, past history, personal history, family history no special. Physical examination: lower left lung breath sounds weakened