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Lexiscan Nuclear Stress 

 If you are unable to exercise, your doctor may combine the nuclear imaging material with a medication called Lexiscan. Lexiscan increases blood flow in your coronary arteries. Healthy arteries respond more than diseased arteries to Lexiscan. The scan shows the areas of your heart that are supplied by healthy arteries and those that may be blocked or narrowed.

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Exercise Nuclear Stress 

This test uses a radioactive material (isotope) that is injected into the bloodstream and allows the nuclear medicine technologist to take pictures of your heart. Combining exercise (walking on the treadmill) with a nuclear imaging material produces images/pictures that will help your doctor to determine if there is an area of your heart that is not receiving enough blood.

Treadmill

Exercise Stress

An Exercise Stress Test allows the doctor to evaluate how well your heart functions when it has to work harder. You will walk on a treadmill while your heart rhythm and blood pressure are monitored and recorded. This test may help to detect problems that are not found while you are at rest.

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Stress Test Instructions 

  1. Please do not eat or drink anything after midnight prior to your test. 

  2. YOU MAYNOT HAVE ANY CAFFENIATED OR DECAFFEINATED BEVERAGES FOR 12 HOURS PRIOR TO YOUR PROCEDURE. (NO COFFEE, TEA, DECAFFEINATED OR SODA)

  3. You may NOT smoke the morning of the procedure.

  4. You may bring a snack to your appointment, we will tell you when you can eat. 

  5. Take your morning medications as usual unless you are walking on the treadmill.

  6. Please bring a list of medications with you.

  7. If you are having a EXERCISE Stress test:

    1. Please wear comfortable clothing.

    2. Women: Please wear a tight fitting/ supportive bra.

    3. Women: Please NO one piece garments, panty hose or underwire bra.

  8. Please plan to be at the facility for 3 hours.

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