Last week I showed you the abnormally low transcutaneous oximetry of a woman after radiation to the axillae with single digit TCOM values. With oxygen breathing, the two really low values improve but not up to normal like the one that is over 200 mmHg. I did an oxygen challenge out of curiosity. We know that arterial disease can’t be the problem in the axillae. I was assuming if she had lymphedema as the reason for the low air baseline values, during an oxygen breathing challenge, all the values would increase to over 200 mmHg like the one normal reading. However, the 2 electrodes with the single digit values didn’t even reach 100 mmHg. I think this supports the evidence that the problem is radiation damage.
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