病历摘要患者，女，４０岁，公交车售票员。因头痛、发热５天，伴抽搐、意识障碍６小时，于１９９２年８月２日入院。患者于５天前上班途中，急起头痛、恶心，无呕吐，随之发热，无流涕及咳嗽，服退热药物未奏效。起病第３天头痛加剧并呕吐，高热持续不退，在外院作头部ＣＴ扫 Patient summary, female, 40 years old, bus conductor. Due to headache, fever 5 days, with convulsions, disturbance of consciousness 6 hours, admitted on August 2, 1992. Patient started work five days ago, anxious headache, nausea, vomiting, fever, no runny nose and cough, taking antipyretic drugs did not work. 3 days onset increased headache and vomiting, high fever continued without retreat, head CT scan outside the hospital