患儿,男,6岁,因呕吐、昏迷、抽搐,于1998年6月21日急诊入院.当日晨起频繁呕吐,非喷射状,发热,腹泻10多次,无脓血,伴头痛、多汗,2小时后即昏迷,四肢阵发性抽搐.否认有不洁饮食史,反复追问病史,患儿所睡之床,在前1天用甲氨磷喷在床上灭臭虫. Child, male, 6 years old, vomiting, coma, convulsions, admitted to the emergency department on June 21, 1998. The morning of the morning vomiting, non-jet-like, fever, diarrhea more than 10 times, no sepsis, with headache, Khan, 2 hours after the unconscious, paroxysmal convulsions on the limbs. Denied the history of unclean diet, repeated medical history, children’s bed to sleep in the previous day with methotrexate spray bed bedbugs.