What is it?
An exercise stress test is a common test doctors use to diagnose coronary artery disease. This test helps doctors see how the heart performs during exercise. You may also hear exercise stress tests called exercise tolerance tests, regular stress tests, or standard treadmill tests. When these tests are done, doctors can tell more about blood flow of the heart and how your heart performs during exercise.
How does it work?
During a stress test, you will wear small metal disks called electrodes. The electrodes are connected to wires called leads, which are connected to a machine with a computer monitor that records the electrical activity of your heart (EKG). By watching this screen, the stress lab staff can monitor every heartbeat while you are exercising.