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.

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 ...

If taking your dog out for a walk or getting up the stairs feels harder than normal, your doctor may order something called a stress test. And the process is a bit different than you might expect. A ...