病历摘要患儿男,5岁半,入院前9天无明显诱因发热、头痛,体温38～41℃,起病第3天曾因高热而抽搐、神志不清,经当地治疗热度略降、抽搐停止,神志转清,但仍头痛不止,以前额部尤重,曾有非喷射状呕吐4次.入院前1天双眼睑浮肿以急性肾炎收入院.患儿素健,农村生长,好下池塘嬉水. Medical records Summary Children, 5 years and a half, 9 days before admission no obvious incentive for fever, headache, body temperature 38 ~ 41 ℃, the first 3 days of onset had convulsions due to high fever, confusion, the local treatment of fever slightly decreased, convulsions Stop, mind clear, but still more than headaches, especially heavy forehead, had non-jet-like vomiting 4. 1 day before admission eyelid edema with acute nephritis income hospital .Such healthy children, rural areas, good under the pond Leisurely.