Perhaps an anomaly of the vasculature such as a persistent median artery?
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On Fri, Nov 13, 2020 at 12:37 PM Brian Wirick <[log in to unmask]> wrote:
Had an interesting case this week:
43 year old for CABG needs radial harvesting.

Arteries look normal. Allen's test is where things get confusing for us:

right #1: flatline with radial compression. Decrease in pulsatility with ulnar compression
right #2-5: flatline with radial compression. Flatline with ulnar compression.


left digits: all flatline with radial compression. 2 and 3 show decrease in pulsatility with ulnar compression and 1,4,5 are normal with ulnar compression.

Can anyone explain the results of the right hand allen's test?

Thank you in advance,
Brian

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