A prenatal non-stress test (NST) is a common test done before birth (prenatal). It is used to ensure the health of the fetus before labor. The test assesses fetal heart rate and movement after 28 ...

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.

The treadmill exercise test with electrocardiogram (ECG), also known as an exercise stress test, is one of the most familiar tests in medicine. While exercise testing typically is focused on ...