Stress echocardiography

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Heart, front view

Stress echocardiography is a test that uses ultrasound imaging to determine how the heart muscles respond to stress. It is mainly used to diagnose and evaluate coronary artery disease.

Echocardiography stress test; Stress test - echocardiography

A stress echocardiogram includes the following steps:

• A resting echocardiogram will be done first.
• You will exercise or be given medicine until you reach the target heart rate. This helps reveal how your heart works when you are active.
• Your blood pressure and heart rhythm (ECG) will be monitored throughout the procedure.
• Ultrasound images will be recorded during the procedure.
• Another echocardiogram is taken immediately after your target heart rate has been reached.
• The ultrasound images will reveal any parts of the heart that may not be receiving enough blood or oxygen because of blocked arteries.

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This test differs from an exercise stress test, which does not use ultrasound images.

If you are not able to exercise, you will receive a medication such as dobutamine through a vein (intravenous line). This type of medicine will make your heart beat faster and harder, similar to when you exercise.

Ask your health care provider if you should take any of your routine medicines on the day of the test (especially if you are taking heart medication). Some medicines may interfere with test results.

It is important to tell your doctor if you have taken any of the following medications within the past 24 hours (1 day):

• Sildenafil citrate (Viagra)
• Tadalafil (Cialis)
• Vardenafil (Levitra)

DO NOT eat or drink for at least 3 hours before the test.

Wear loose, comfortable clothing. You will be asked to sign a consent form before the test.

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 you start exercising.