Hi Donna,
Nice to see you hanging out here! I miss seeing you.
Regarding your patient, unusual presentation!
Normally, the goal is to move Blood outwards, but the pulse indicates the circulation already is too 'Yang' or peripheral. I'm guessing that is the cause of the respiratory and cardiac complaints. The goal, then, would be to move Yang back downward, calming and cooling the dog while giving it more energy and decongesting the upper burner.
My top pick for this situation, if I read it correctly, is Chai Hu Jia Long Gu Mu Li Tang (Bupleurum, Dragon Bone and Oyster Shell Combination).
I would expect it to have a fairly prompt beneficial impact, and has significant anti-cancer benefits. Once the dog is off chemo, we may need to reassess, but it should be suitable for the next couple of months or so.
Hope this all turns out to be accurate and you get a win here. Please keep us posted,
Steve