[病例]男,16月。该患因咳嗽8天,发热、喘憋4天而住院。体温39.2℃,脉搏180次/min,呼吸40次/min,呼吸急促,鼻翼煽动,口唇发绀,双肺听诊哮鸣音,肺底部可闻及密集湿罗音。胸透:双肺纹理增强,右肺下见小片状阴影,血常规:白细胞总数0.8×10~9/L,分叶0.87,淋巴0.13。诊断为喘息性肺炎并发呼吸衰竭。给予止喘、解痰、纠正心衰、抗感染,对症治疗。2天后,患儿病情突然加剧、暴喘、呼吸极度困难,一度出现下颌呼 [Case] ​​Male, 16 months. The patient suffering from cough for 8 days, fever, wheezing 4 days and hospitalized. Body temperature 39.2 ℃, pulse 180 beats / min, breathing 40 beats / min, shortness of breath, nasal flagellation, cyanosis of the lips, lung auscultation wheeze, lung bottom can be heard and dense wet rales. Chest throat: enhanced lung texture, see the small shadow of the right lung, blood: the total white blood cells 0.8 × 10 ~ 9 / L, leaf 0.87, lymph 0.13. Diagnosis of asthmatic pneumonia complicated with respiratory failure. Give asthma, phlegm, correct heart failure, anti-infection, symptomatic treatment. 2 days later, a sudden increase in children’s condition, storm, extreme difficulty breathing, once appeared jaw