男,10岁。“昏迷8小时”收入院。患儿于入院前8小时无诱因呕吐2次,为胃内容物,量少非喷射状,自诉头晕、入睡,4小时后家长发现患儿昏睡、多汗、唤之不醒即来我院,病程中无腹泻。患儿系第一胎,足月臀位产钳产,生后无窒息,亦无外伤史,智力似同龄儿。体检:T 34℃,P 68次/分,R 12～20次/ Male, 10 years old. “Coma 8 hours” income homes. Children 8 hours before admission, no incentive vomiting 2, the stomach contents, the amount of non-jet-like, private prosecution dizziness, falling asleep, 4 hours after the parents found that children were lethargic, sweating, wake up that come to our hospital, No diarrhea in the course of the disease. Children with the first child, full-term breech delivery forceps, postpartum asphyxia, nor history of trauma, intelligence similar to children. Physical examination: T 34 ℃, P 68 times / min, R 12 ~ 20 times /