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 ...

Before a stress test, you’ll need to avoid food, drink, tobacco, and caffeine for a time. You may also have to stop taking some medications. Your doctor will provide information specific to you, but ...

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 ...