treadmill stress test results
Sometimes EKG abnormalities can be seen only during exercise or while symptoms are present. This test is sometimes called a stress test or a treadmill test.. During an exercise EKG, you may either walk on a motor-driven treadmill or pedal a stationary bicycle. The heart is a muscular pump made up of four chambers . The two upper chambers are called atria, and the two lower chambers are called ventricles.