Repetitive nerve stimulation: Decremental response

Repetitive nerve stimulation at 3 Hz in a patient with myasthenia gravis. Stimulating the nerve at the wrist recording at the first dorsal interousseous. Maximal decrement is noted to the right of the trace.

Reproduced from: Preston DC, Shapiro BE. Neuromuscular junction disorders. In: Electromyography and neuromuscular disorders: Clinical-electrophysiologic correlations, 2nd edition, Butterworth-Heinemann, 2005. Illustration used with the permission of Elsevier Inc. All rights reserved.

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Repetitive nerve stimulation: Decremental response