Hi, Jeff! I would think that any pressure taken in the proximal calf would use the same criteria you use for a segmental exam. I use the peroneal artery for ABIs not uncommonly, but I take it at the ankle, so I use ABI criteria.
You didn't ask for this information, but others have mentioned that it may be difficult to access the peroneal artery for ABIs and I use techniques that I believe make it quite easy. I've found that having the patient scooch their foot barely off the table allows me to lay the pencil probe right into the posterior lateral malleolus and, using the table as support, it doesn't slip off when inflating the cuff. Alternatively, I will also have a patient bend their knee up and plant their foot on the bed and access the area from there. This also stabilizes the area and makes it less likely for me to lose my spot when inflating.
I hope all is well with you!
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