GERD is classic for causing chest pain.
As are musculoskeletal problems.
However, a stress test is not foolproof, and if your cardiologist has any evidence of heart problems, or you are at high risk, then a CT angiogram or angiogram would be indicated.
Gastritis should prompt testing for h pylori, the bacterial that causes gastritis, or can.
If you did not have an isotope stress test, then the test was inadequate, and that should be done.
OK, so that is an initial answer….
Please use reply to expert if you have further questions. When you are ready, please click a positive rating [hopefully excellent]. If you forgot something, come back. I am here daily.