1　病例简介患者,女,51岁。病人于晨时起床后突然出现头晕、视物旋转及耳鸣、言语不清、走路不稳、双下肢无力。门诊以“椎基底动脉供血不全”收入院。既往有高血压病7年。入院查体:体温、脉搏、呼吸、血压、神志均正常。构音障碍,呈暴破性语言。双眼水平性眼震,鼻唇沟对称,口 1 case description Patients, female, 51 years old. The patient suddenly dizzy after getting up in the morning, depending on the material rotation and tinnitus, vague words, walking instability, weakness in both lower extremities. Out-patient to “vertebrobasilar insufficiency” income hospital. Past history of hypertension 7 years. Admission examination: body temperature, pulse, respiration, blood pressure, consciousness are normal. Dysarthria, was violent language. Binocular nystagmus, symmetrical nasolabial fold, mouth