A chemical stress test uses medications to simulate your heart’s response to exercise. A stress test can assess how well your heart performs during exercise. Your doctor may suggest a stress test if ...

(Reuters Health) – - Due to shortages of a radioactive substance used in exercise stress tests, more heart patients have needed complex invasive procedures, new research shows. Doctors inject the ...

A stress test measures how well your heart works when put under stress. It is ordered to assess exercise tolerance, see if your heart can respond to demands, or test if heart medications are working.