患者男,77岁,因“意识障碍4 h”入院。既往有慢性肾功能衰竭(尿毒症期),现规律血液透析治疗中;高血压病3级极高危组,长期口服硝苯地平控释片(拜新同)30 mg 每日2次、酒石酸美托洛尔(倍他乐克)25 mg,每天2次和哌唑嗪0.5 mg,每天3次治疗;无糖尿病史。入院前2 d 晨起 Male patient, 77 years old, because of “disturbance of consciousness 4 h ” admission. Previous chronic renal failure (uremia), are regular hemodialysis treatment; hypertensive Grade 3 extremely high-risk group, long-term oral nifedipine controlled release tablets (thanks to the same) 30 mg twice daily, tartaric acid Propranolol (metoprolol) 25 mg twice daily and prazosin 0.5 mg 3 times daily; no history of diabetes. Admission 2 d before dawn