我们对71例有眩晕史的患者进行了脑阻抗血流图及转颈、后仰试验,以观察椎动脉的供血情况。一、资料及方法:71例眩晕患者中,头痛者20例,一过性晕厥史者21例,颈椎病史者21例。并有恶心、呕吐、视物不清、步态不稳、听力差、眼底动脉硬化、昏迷、耳聋、耳鸣等病史者22例。男64例,女7例。年龄33～73岁,平均52.6岁。 We conducted 71 cases of patients with vertigo history of cerebral impedance blood flow chart and neck, backwards test to observe the blood supply to the vertebral artery. First, the data and methods: 71 cases of vertigo patients, headache in 20 cases, a history of transient syncope in 21 cases, 21 cases of cervical history. And nausea, vomiting, blurred vision, unsteady gait, poor hearing, fundus arteriosclerosis, coma, deafness, tinnitus and other history of 22 cases. There were 64 males and 7 females. Aged 33 to 73 years old, with an average of 52.6 years old.