患儿,女,40天,因鼻塞吃奶困难,用鼻眼净(0.1％)两侧鼻孔内共滴入5滴,鼻塞缓解入睡。1小时后患儿烦燥、哭闹不安,长达2小时之久,又渐渐入睡。7小时后患儿出现呼吸困难,节律不齐、昏睡不醒、全身皮肤发花,颜面苍白、四肢发凉、全身反应差而来诊。查体:T36.3℃、R6～10次/分、P120次/分。昏睡状,强刺激有反应。呼吸表浅,呈抽泣样呼吸。颜面苍白,口周发绀,全身皮肤发花,四肢末梢发凉。前囟2×2cm,平坦。双侧瞳孔均 Children, women, 40 days, due to nasal congestion difficulties, with a net nose (0.1%) both sides of the nostrils were dripped 5 drops, nasal congestion relief. After 1 hour children irritable, crying uneasy, up to 2 hours long, and then gradually fall asleep. After 7 hours, children with dyspnea, irregular rhythm, unconsciousness, whole body hair, pale face, cold extremities, poor response to the diagnosis. Examination: T36.3 ℃, R6 ~ 10 beats / min, P120 beats / min. Drowsiness, strong stimulation response. Respiratory shallow, was sobbed breathing. Pale pale, perioral cyanosis, systemic skin flowers, limbs, cold hair. Bregma 2 × 2cm, flat. Both pupils are