Dear Mayo Clinic: I have a treadmill stress test scheduled to look for heart disease. I know this involves exercising, and I'm worried that I'm not physically up to it. Is there another way to gather ...

A nuclear stress test helps to assess your risk of a severe cardiac event. Depending on your health, a doctor may ask you to take a treadmill test or a chemical test, which uses medications to ...

Dear Dr. Roach • I am always asked to redo tests — echo ECG, stress test ECG, nuclear stress test. The results are barely mentioned, yet the test is always indicated another time. Is this a waste of ...