I have shortness of breath, so bad i can’t even

Patient: I have shortness of breath, so bad i can’t even take a shower without being out of breath like i ran a mile, also my lower back in major pain, scale 1-10 around 8, I have a cardiolagist ,pulmanaligist , I’ve had angeograms , echograms ,x -rays , nucler medicine and after a year and half i still don’t know whats wrong with me,,,,,,help!!!!

Doctor: