What is it?

A stress test records the electrical activity of the heart during the stress of exercise. This test may show areas of low blood flow and damaged tissue.

Why do I need a stress test?

If the doctor suspects you have coronary artery disease or if you are experiencing symptoms of chest pain or sudden loss of breath.

To asses the amount of a possible blockage within the vessels of the heart.

A stress test may be advised to you even if you have already been diagnosed with coronary artery disease to asses the effectiveness of the treatment you are on.

An accurate stress test Decreases the use of unnecessary stenting.

How do I prepare for the test?

Wear sneakers and comfortable clothes (preferably a button down shirt with no metal buttons or zipper).

Avoid wearing long chains and necklaces.

Continue your medications up to the day of the procedure.

Stop this medication on the day of the test-

  • Beta blockers including: Atenolol, Toprol, Metoprolol, Lopressor, Coreg, Zebeta, Betapace, or Corgard

If you have asthma and use an inhaler, bring it with you to your test.

Do Not smoke on the day of the test… or ever!!!

Do not apply body lotion on the day of the test

If you need to cancel your appointment, please do so at least 24 hours prior to your test or you may be charged.

What should I expect during the test?

A trained technician will place electrodes on your chest, arms, and legs. These electrodes connect to wires on an electrocardiogram (EKG) machine. The EKG records the electrical activity of the heart.

Next, you will slowly begin walking on the treadmill. As the test progresses, the speed and incline on the treadmill increases. Your blood pressure and EKG will be monitored throughout the test.

The length of the test depends on your physical fitness and symptoms. The goal is to have your heart working hard for about 5- 15 minutes in order to thoroughly monitor its function. Exercise is continued until you reach your target heart rate.

During the test you may develop symptoms or signs of:

  • Chest pain
  • Shortness of breath
  • High or low blood pressure
  • Abnormal heart rhythm
  • Dizziness

You may stop the test at any time if uncomfortable. Symptoms typically disappear once you rest.

The test lasts about 30 minutes.

What are the risks?

Stress tests are generally safe and complications are very rare. Although with any medical procedure, it does carry a small risk of complication.

These complications include:

  • Hypotension: blood pressure may fall during or after exercise that can cause dizziness. This will usually ease off once you stop exercising
  • Abnormal heart rhythms may occur during exercise. This usually returns to normal once exercise is ceased.
  • Chest pain or flushing feeling may occur

The result:

Once the test is completed, the results of your test will be assessed to determine the condition of your heart.

This is useful in planning for your treatment and also helps in determining whether further testing is needed.

A stress test may reveal:

  • The results may be beneficial in confirming or ruling out the diagnosis of heart disease
  • Confirm whether you are in a stable state
  • Assess the development of new blockage

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