An EMG exam for a patient with a neuropathic disorder demonstrates the presence of small-amplitude, polyphasic motor unit potentials. Which of the following statements is the best interpretation of this finding?
A) This is an abnormal finding indicating neuromuscular disease.
B) The patient may be recovering from the disorder.
C) Needle electrodes were not inserted near motor units in the muscle.
D) Surgery is necessary to repair the motor neuron lesion.

Question

Quizplus · Accepted Answer

Small-amplitude, polyphasic motor unit potentials on an EMG can indicate reinnervation, suggesting that the patient may be recovering from a neuropathic disorder.

An EMG Exam for a Patient with a Neuropathic Disorder