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Effect of stimulator orientation on F-wave persistence

✍ Scribed by Michael S. Young; William J. Triggs

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 70 KB
Volume: 21
Category: Article
ISSN: 0148-639X
DOI: 10.1002/(sici)1097-4598(199810)21:10<1324::aid-mus13>3.0.co;2-1

No coin nor oath required. For personal study only.

✦ Synopsis

Most electrodiagnosis texts advocate cathode distal stimulation (CDS) for nerve conduction, but suggest cathode proximal stimulation (CPS) for F waves, because of anodal block. We postulated that CDS and CPS elicit F waves of similar persistence. We studied 657 (207 median, 204 ulnar, 136 tibial, and 110 peroneal) nerves in 225 consecutive subjects. In the median nerve, CDS elicited F waves of slightly greater persistence than CPS. Stimulator orientation did not affect F-wave persistence in the remaining nerves.

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