病例摘要　女，２－５岁。因发热伴喘憋、咳嗽半个月，病重２天入院。来院前２个月开始，出现发热伴喘憋，体温达３９℃，曾按上呼吸道感染治疗，静滴红霉素及白霉素２天，同时口服药物（药名不详），未见好转。入院前半个月出现阵发性刺激性咳嗽。来院２天前突然喘憋加重，呼 Case Summary Female, 2-5 years old. Due to fever with wheezing, cough for half a month, two days admitted to hospital. 2 months before going to hospital, there was fever with wheezing, body temperature of 39 ℃, according to the upper respiratory tract infection treatment, intravenous infusion of erythromycin and leukomycin 2 days, while oral drugs (drug name unknown), did not improve. Half a month before admission, paroxysmal irritation cough. Suddenly wheezing increased to the hospital two days ago, call