患儿男,足月,8 d,因“腹胀、吐沫半天伴阵发性抽搐30min”入院。患儿系第2胎第2产,自然分娩。生后人工喂养,生后1周纳奶可,尿便正常,无呕吐。患儿于生后第8天下午不明原因出现腹胀,口吐白沫现象,于当晚10点左右患儿呻吟不止,伴阵发性双手做握拳样动作,头后仰,由120护送入 Children male, full-term, 8 d, due to “abdominal distension, spittle half with sporadic paroxysmal convulsions 30min ” admission. Department of the second child in the second child, natural childbirth. Artificial feeding after birth, 1 week after birth satisfied that the milk can be normal urination, no vomiting. Children in the afternoon on the 8th day after birth, unexplained bloating, foaming at the mouth of the mouth, about 10 o’clock that night, children moaning more than, with the array of fists hands-like hands to do the fist-like action, head back,