患儿,男,11岁。于6天前无何诱因突然自述头痛,持续加重,呕吐10余次,吐出胃内容物,非喷射状。近3天来嗜睡,时有躁动不安,言语不清。曾在当地医院诊断为“脑炎”。静点青霉素每日400万单位,静点3日症状无好转,为进一步明确诊断转我院儿科。患儿来门诊时抽搐一次,当时意识不清,口角歪斜,四肢强直。门诊以脑膜炎收住儿科。病史中始终无发烧,否认外伤史,追问病史既往有轻微外伤后皮 Children, male, 11 years old. No reason at 6 days ago sudden headache headache, continued to increase, vomiting more than 10 times, spit out the contents of the stomach, non-jet-like. Drowsiness in the past three days, when restless, the words unclear. He was diagnosed as “encephalitis” at a local hospital. Static point penicillin 4 million units a day, static symptoms no improvement on the 3rd, to further clarify the diagnosis transferred to our hospital pediatrics. Children with twitching when the clinic, was unconscious, skewed mouth, limbs and rigidity. Outpatient reception of pediatric meningitis. History has no fever, deny the history of trauma, history of minor trauma history