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NCS-F WAVE USES & LIMITATIONS

Neurology

NCS-F WAVE USES & LIMITATIONS

USES
1. Acquired demyelinating polyneuropathies (AIDP, Guillain-Barre syndrome): where the F wave is absent or has delayed latency reflecting pathology at the root.

2. Provides early info about proximaly conduction in traumatic neuropathies, before distal Wallerian degeneration occurs.

LIMITATIONS
3. Because they only involve a few axons, lesions affecting some axons may be missed.

4. F waves measure conduction over long distances, hence focal pathologies can be missed.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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