I have discomfort  in left arm and shoulder that do not wrosen by exercise and not relieve by rest I also have sudden breathing difficulties with sweating in evening in every two days I feel exhausted but not chest pain  feeling like heart attack These symtoms 1year phle bhi the but frequency km thi now 1 month se jyada h us time MY ECG ECHO TMT HOLTER WAS NORMAL normal tshlipid profile vit d etc Doctor say panic attack but why my arm pain persist agar wo heart attack the to 15 bar ho chuka h aisa ab tk complication ho jana chahiye What should I do ??? Plzzz reply