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 ...

The nuclear stress test can show how blood flows through your heart muscles. This reveals how well the heart pumps blood and areas of your heart muscles that do not get enough blood. Nuclear stress is ...

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 ...