For me, a very helpful post bluesdoc. I am literally breathing easier and see a diagnostic path forward for me. I did not want to risk contrast, so you have helped with the suggestion of perfusion testing. I was a bit dubious about it, but will take it on.

And bio-electrical engineer, turned professional blues player here myself (Hacksaw Harry). 2022 NMMA nominee. It is a small world! Keep it down low amigo.