Methods 325 patients with cerebral arteriosclerosis over 60 years old were examined with REG on frontal-mastoid lead. Nitroglycerin was tested in 200 cases.

• 方法:选择60岁以上临床确诊为脑动脉硬化患者325例进行常规额一乳、枕一乳导联REG检测,并对其中200例进行硝酸甘油药物试验。