Chest pain and diziness. Is the issue.

I have last 4 months chest pain and diziness feel with brearing issue i done all the test related to chest all the test means including threadmill and ecg eco blood test chat x ray all some doctor in practo replied like at the time of posting they are asking like chest xray if i am going cardiac spealist he will take all right that what i told including threadmill. So cardiac doc told gastric issue i taken last 3 months gatric dizeness med also after medicine over again started .now i taken endoscopy i got the report  lax les.  it is acid reflux doctor given that medicine but still i having diziness issue in some time morning eve and few time whole day i am feeling what is the issue .