1病例报告患者女,63岁。因意识模糊3天入院。患者3天前无明显诱因出现意识模糊,不思饮食,无呼吸困难,无发热,无抽搐。既往有冠心病、高血压3级病史,无癫痫、记忆力减退、精神异常等病史。查体:体温37℃,脉搏80/min,呼吸20次/min,血氧饱和度0.98,血压180/100mmHg,消瘦,心、肺、腹未见明显异常。嗜睡, A case report patient female, 63 years old. 3 days due to confusion admitted to hospital. Patients 3 days ago no obvious incentive for confusion, no diet, no breathing difficulties, no fever, no convulsions. Past history of coronary heart disease, hypertension grade 3, no epilepsy, memory loss, mental disorders and other medical history. Examination: body temperature 37 ℃, pulse 80 / min, breathing 20 times / min, oxygen saturation of 0.98, blood pressure 180 / 100mmHg, weight loss, heart, lung, abdomen no obvious abnormalities. Lethargy,