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目的探讨神经肌电图在诊断运动神经元病中的作用。方法选测3个以上有或无病理改变的肢体的肌电图及神经电图。结果大多数肌肉出现插入电位延长和/或出现少量～大量(+～+++)纤颤、正锐波,运动单位电位高宽,重收缩时运动单位电位募集密度减小,小部分患者运动神经传导速度减慢、运动末梢潜伏时延迟。感觉神经传导基本正常。结论神经肌电图在诊断运动神经元病中有非常重要的意义。
Objective To explore the role of neuromuscular electrogram in the diagnosis of motor neuron disease. Methods Three or more EMGs and neuro-electrograms of three or more limbs with or without pathological changes were selected. Results Most of the muscle appeared insertion prolongation and / or a small amount of ~ (+ ~ +++) fibrillation, positive sharp wave, the motor unit potential was high and wide, Nerve conduction slows down, late latency of exercise latency. Sensory nerve conduction is normal. Conclusion Electromyography is very important in the diagnosis of motor neuron disease.