4例患儿.3男1女,年龄3.5～6岁,均因上呼吸道免疫球蛋白均增高,血清蛋白电泳均显示a_2及γ球蛋白出现胸闷、剧咳、喘息、腹痛.查体:体温37.5～38.5℃,端坐呼吸,呼吸急促,大汗淋漓,可见鼻扇及三凹症,口唇微绀,呼吸40余次/分,心率130～150次/分,心律规整,心音有力,两肺布满哮鸣音,腹软.患儿经给予吸氧,静脉推注氨茶碱、地塞米松,肌注非那根治疗,30～60分钟后,喘息减轻,能平卧,两肺仍可闻及散在哮鸣 4 cases of children .3 male and 1 female, aged 3.5 to 6 years, were due to upper respiratory tract immunoglobulin were increased, serum protein electrophoresis showed a_2 and γ globulin chest tightness, severe cough, wheezing, abdominal pain. 37.5 ~ 38.5 ℃, sitting and breathing, shortness of breath, sweating, visible nose fan and three concave, micro-cyanotic lips, breathing more than 40 beats / min, heart rate 130 to 150 beats / min, heart rhythm, heart sound, Lung full of wheeze, belly soft. Children given by oxygen, intravenous injection of aminophylline, dexamethasone, intramuscular injection of non-root treatment, 30 to 60 minutes after the reduction of wheezing, supine, both lungs Still can smell and scattered wheeze