患儿,男,维吾尔族,1岁3个月,1986年7月30日入院。患儿于12天前出现吸气性呼吸困难,次日住当地医院,诊断急性喉炎。治疗10天无效,病程中无发热、呛咳,哭声无嘶哑,有犬鸣样咳嗽。家长否认异物吸入史。 体温;体温36.4℃,脉搏132次/分,呼吸40次/分,精神萎糜,轻度脱水表现,躁动时发绀,三凹征明显,Ⅱ°吸气性呼吸困难,入睡后呼吸困难无减轻,咽无充血,两肺呼吸音正常,拍胸片无异常。按急性喉炎 Children, male, Uygur, 1 year old 3 months, July 30, 1986 admission. Children with aspiration 12 days ago appeared dyspnea, the next day to live in a local hospital for the diagnosis of acute laryngitis. Treatment of 10 days invalid, no fever during the course of the disease, cough, crying without hoarseness, dogs Minglei cough. Parents denied history of foreign body aspiration. Body temperature; body temperature 36.4 ℃, pulse 132 beats / min, breathing 40 beats / min, spiritual wilt, mild dehydration, cyanosis when agitation, three concave sign was obvious, Ⅱ ° aspiration dyspnea, , No pharynx congestion, normal lung breath sounds, chest X-ray no abnormalities. According to acute laryngitis