I Have Heart Problems I Have 7 Stent And Just

I have heart problems I have 7 stent and just had another heart cath because I've had chest pain for month now and my BP keeps going up and down just a example seen my primary Doc on Tuesday BP 170/110 seen my cardiac Dr on Thursday BP 70/40 my cardiac Dr did not find any blockage and I still feel like poop what else could be going on my Doctorsite don't seem to know