患者,男,70岁,农民。头昏眼花,加重伴头晕半月,于2009年9月17日上午10时入住我院心内科。自诉5年前反复出现头昏眼花,曾测血压最高时达200/100mmHg,在当地诊所就医给予口服降血压药,但血压控制不理想。近半月头晕、头昏眼花加重,血压时高时低,颈部有紧扎感,头晕时伴步态不稳,偶有双下肢肌肉抽搐疼痛在当地诊所就医无缓 Patient, male, 70 years old, farmer. Dizziness, aggravated with dizziness half a month, at 9:00 on September 17, 2009 admitted to our hospital cardiology. Private prosecution occurred 5 years ago, dizziness repeatedly, once measured the highest blood pressure up to 200 / 100mmHg, in the local clinic for oral antihypertensive medication, but blood pressure control is not satisfactory. Nearly half of the dizziness, dizziness, blood pressure, high and low, the neck tight sense of dizziness, with gait instability, occasionally lower extremity muscle twitching pain in the local clinic medical no