Exercise stress test

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An exercise stress test is a screening tool to test the effect of exercise on your heart. The test gives a general sense of how healthy your heart is. See thallium and sestamibi stress tests.

Exercise ECG; ECG - exercise treadmill; EKG - exercise treadmill; Stress ECG; Exercise electrocardiography; Stress test - exercise treadmill

You will walk or pedal on an exercise machine while the electrical activity of your heart is measured with an electrocardiogram (ECG), and blood pressure readings are taken. This will measure your heart's reaction to your body's increased need for oxygen.

The test continues until you reach a target heart rate, unless complications such as chest pain or an exaggerated rise in blood pressure develop. You will continue to be monitored for 10 - 15 minutes after exercising, or until your heart rate returns to baseline.

• You must not eat, smoke, or drink beverages containing caffeine or alcohol for 3 hours before the test.
• You should continue all medications unless instructed otherwise.
• Wear comfortable shoes and loose clothing to allow exercise.

Tell your doctor if you are taking sildenafil citrate (Viagra) and have taken a dose within the past 24 hours. This is necessary because nitroglycerin, which is sometimes given during a stress test to relieve chest pain, should not be given to a person who has recently taken Viagra, since the combination can cause a serious drop in blood pressure.

Electrodes (conductive patches) will be placed on your chest, arms, and legs to record the heart's activity. The preparation of the electrode sites on your chest may produce a mild burning or stinging sensation.

The blood pressure cuff on your arm will be inflated every few minutes, producing a squeezing sensation that may feel tight. Baseline measurements of heart rate and blood pressure will be taken before exercise starts.

You will start walking on a treadmill or pedaling a stationary bicycle. The pace and incline of the treadmill will gradually be increased.

Rarely, people experience chest discomfort, palpitations, dizziness, or shortness of breath during the test.

A stress test is performed to determine causes of chest pain, the exercise capacity of the heart, appropriate exercise levels in those beginning an exercise program, and to identify rhythm disturbances during exercise. There may be additional reasons that your health care provider requests this test.

Review Date: 11/06/2006
Reviewed By: Glenn Gandelman, MD, MPH, Assistant Clinical Professor of Medicine, New York Medical College, Valhalla, NY. Review provided by VeriMed Healthcare Network.