Talk to Gastroenterologist on Heartache With Stomach

sir ! i have stomach problem from 5 years stomach burden no feeling hungry lost of weight and some time heartache or burden.i visited many doctors but no one satisfied me what connection have heartache with stomach problem,some time i feeling breathes fast during paying the pray (nimaz). some time in the midnight when i sleeping straight the modrate pain started on heart,sholder,and left arm, but when i sit straight i feeling good after a while. my all heart tests result ECG,ECHO,ETT are ok,(H.pylori is +ve).i have no any depression even no in past. during diet and taking ppi(omeprazole,esso,pantoprazole ETC) and anti depression medicine i feeling good every time. when i stop treatment, after 1 to 2 month the problems are started again slowly.i am worried about heartache especially.please tell me what should i do, i will especially pray for you all.(sorry for bad english). (note.my late father had also minor stomach problem)