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用适当的方法和测试仪器刺激神经干某一点的感觉触突,于刺激点近体端记录去极化波时称为顺向传导,于刺激点远体端记录去极化波称为反向传导。在临床评定上下肢若干感觉神经分布的同时应用这些基本传导方法,所激发的感觉电位的特征为波幅低、波宽窄。用叠加法或电子平均器改善这些微弱信号的显示情况.叠加系将若干连续的激发反应记录于存储式示波器,胶片一次爆光或打印,激发电位因
With appropriate methods and test equipment to stimulate the neural stem a sense of touch, at the stimulation point near the end of the record of depolarization wave is called forward conduction, the distal end of the stimulation point to record the depolarization wave is called reverse Conduction. In the clinical assessment of the upper and lower extremity of several sensory nerve distribution at the same time the application of these basic methods of conduction, the sensory potential is excited by the characteristics of low amplitude, narrow wave width. Overlay or electronic averaging is used to improve the display of these weak signals. Overlay adds a series of successive excitation reactions to a storage oscilloscope, exposing the film to one shot or printing,