患儿男,1岁,以发热、呕吐3d伴精神萎靡2d代诉入院。3d前始发热,继之频繁呕吐呈喷射状,吐出物为所进奶水。2d来精神萎靡嗜睡,醒后烦躁哭闹,轻咳有痰。无抽搐,二便正常。既往体健。查体:T37,7℃,P130次/min,R40次/min,BP10/5kPa,精神差,面色灰黄,皮肤不花,咽红,双肺痰鸣,心、腹(一),前囟1.5cm×1.5cm,膨隆,紧张,双瞳孔约3mm,光反应较迟 Children male, 1 year old, with fever, vomiting 3d with apathetic 2d on behalf of admission. 3d before the fever, followed by frequent vomiting was jet-like discharge of the milk into the. 2d to apathetic drowsiness, wake up irritability crying, cough with phlegm. No convulsions, two will be normal. Past physical health. Examination: T37, 7 ℃, P130 times / min, R40 times / min, BP10 / 5kPa, poor spirit, pale yellow, the skin does not flower, red throat, 1.5cm × 1.5cm, bulging, nervous, double pupil about 3mm, light response later