Diagnostic Service - RNS(Repetitive Nerve Stimulation)

Repetitive nerve stimulation (RNS) is an effective way to fatigue the NMJ and cause acetylcholine depletion. These studies are abnormal in more than 60% of myasthenic patients. A decremental response on RNS is the electrical correlate of clinical muscle fatigue and weakness in myasthenic patients.

Repetitive nerve stimulation is a variant of the nerve conduction study where electrical stimulation is delivered to a motor nerve repeatedly several times per second.

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