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.

While nuclear stress tests are considered safe, some precautions need to be followed both during and after the test. If you or a doctor suspects you might have an undiagnosed heart condition, they may ...

Emma sat in class and took a deep long breath then slowly exhaled. This was one of the many techniques she had been taught in the past to calm her nerves before a test. The instructor walked into the ...