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前庭系统的直流电诊断检查法始自1820年 Purkinjie的记载。据称可用以鉴别内耳及前庭神经病变。迷路无功能,但第Ⅷ神经仍完整时,直流电反应仍存在;仅在切断该神经后,直流电反应才丧失。本方法的临床应用报告很少,在检查过程中不能使用ENG记录眼震,而需改用光电眼震仪,为记录直流电刺激所引发的躯干重心变化,最好的仪器是稳定度测试仪(stabilography)。作者为了解本方法用于鉴
The DC diagnostic test for the vestibular system began with Purkinjie’s 1820 record. Allegedly used to identify the inner ear and vestibular neuropathy. Lost no function, but the Ⅷ nerve is still intact, the DC response still exists; only cut off the nerve, the DC response was lost. The clinical application of this method is rarely reported in the inspection process can not be recorded using the ENG nystagmus, and the need to switch to photoelectric tachymetry, to record the DC center of gravity changes caused by stimulation, the best instrument is the stability tester ( stabilography. The author used the method in order to understand this method