NCS-SUMMARY

SUMMARY

RESPONSES RECORDED
1. Motor studies: CNAP, CMAP
2. Sensory studies: SNAP
3. F-wave
4. H-reflex

FIBRE TYPES ASSESSED
5. Large myelinated fibers only, not useful for small fiber disorders

ASSESS FOR
6. Axonal processes: axonal loss, Wallerian degeneration, presents as reduction in amplitude
7. Focal/demyelinating processes: slowing, conduction block, presents as prolonged distal motor latency & reduced CV

NOTE: MUAP is part of EMGs

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].