s why they are doing the cath. I have no blockages yet have EF 17% and stress test
images show severe damage and restricted perfusion. If it is a blockage, and they can stent it, you should be pretty much back to "normal" shortly after.
Disclaimer: I am NOT a doctor. Do not rely on my opinion or advise. Consult a licensed professional. Batteries not included. Some assembly required. Oh, and just for fun, ask your cardiologist if his work comes with a lifetime warranty!