大多数症状性脑病可以逆转不留后遗症。现将常见症状性脑病简述如下。高血压脑病高血压脑病是在原发或继发性高血压的基础上发生。高血压脑病的诊断依据是:①血压急剧升高:可突然升至200/120～150毫米汞柱;②颅内压增高症状:剧烈头痛,恶心、呕吐、颈部有抵抗、脑脊液压力增高;③神经精神症状:视力改变、偏瘫、失语、抽搐、意识障碍,直至昏迷;④积极降 Most symptomatic encephalopathy can be reversed without leaving sequelae. The common symptoms of encephalopathy are summarized below. Hypertensive encephalopathy Hypertensive encephalopathy occurs on the basis of primary or secondary hypertension. Hypertensive encephalopathy diagnosis is based on: ① blood pressure increased sharply: suddenly rose to 200/120 ~ 150 mm Hg; ② increased intracranial pressure symptoms: severe headache, nausea, vomiting, neck resistance, increased cerebrospinal fluid pressure; ③ neuropsychiatric symptoms: vision change, hemiplegia, aphasia, convulsions, disturbance of consciousness until coma; ④ active reduction