I,(and our lab) wouldn't exercise a patient with non-compressible vessels (so if you absolutely have to interpret a post exercise TBI, I'd go with writeup number 2). That being said, a TBI of 0.56 or 0.53 is almost within normal limits and I don't know that that warrants a moderate disease tag (normal ranges from 0.6 to 0.8). Finally, is that post-exercise toe pressure really worth trying to interpret? Does that info really shed any significant light on patient symptoms or level of disease? You know they have diffusely calcified arteries as the vessels were non-compressible at all levels in the first place. I'd trust Doppler and PVR waveforms more in cases of patient's with non-compressible vessels (not post-exercise TBIs). These should tell you if there is truly significant disease.
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