While chest pain that gets better with
nitroglycerin can be suggestive
of agina, there are several other types
of chest pain, such esophageal spasm, that can get better after nitroglycerin. Exercise tests and stress echocardiograms are screening test for coronary artery disease. If these screening tests are abnormal, the next step is most likely a cardiac catheterization and angiogram in order to look definitively at your coronary arteries.