NCS-USES OF SNAP

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SUMMARY

1. Sensory nerve conduction studies can be most useful in diagnosis of lesions that are distal to the DRG, including plexopathies, entrapment neuropathies, and polyneuropathies.

2. Sensory nerve conduction are normal in the setting of radiculopathies (injury is proximal to the DRG), CNS disorders, NMJ diseases, and myopathies (the latter two because recordings are obtained from nerve and not muscle).


Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].