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Dobutamine Myoview Stress Test Banner

Dobutamine Myoview Stress Test


What is the doctor looking for?

How the heart pumps under stress, decreased blood flow to the heart muscle and or heart damage.

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What is the test?

This is a 2-part test.  One part involves taking pictures of the heart at rest one hour after injection of a radioisotope (this is NOT a dye!). The other set of pictures will be taken 1 hour after Dobutamine is given and the radioisotope is injected through an IV during the stress portion of the test.  Dobutamine is a medication that will make your heart beat faster similar to when you exercise.  These tests may be performed on one day or separate days depending on the schedule.

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Where are the tests done?

In the stress lab and in Nuclear Medicine.

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May I eat or drink?

You need to stop eating and drinking 6 hours before the test.

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What about medications?

You need to discuss your medications with your doctor or nurse.  You should be off Beta Blockers and Calcium Channel Blockers for 24 hours before the test.  Stop long acting nitrates (daily pills or patches) 12 hours before the test.  It is OK to use nitro sprays and pills under the tongue for up to 2 hours before the test.  If you are a diabetic, take half your usual insulin.  You may bring the rest of your dose and something to eat or drink if you feel you may need it. Do NOT take the pill form of diabetes medication unless otherwise instructed.  All other medications except those we mentioned may be taken with water.  If you have any questions, please call your doctor.

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Will I have an IV?

Yes, one will be started so we may give you the Dobutamine and fluids.

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Do I need special clothing?

No.

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What else should I bring?

A list of your medications. You may wish to bring something to read to help pass the time.

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How long does the test take?

Approximately 2 hours for the resting and 2 hours for the stress portion of the test.

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When will the results be ready?

Results are generally available to your physician within 24 hours of the test being completed.

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Tell your doctor/nurse if you have...

Asthma, COPD, chest pains or any other unusual symptoms.

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Will the test make me sick or sleepy?

You may feel tired, similar to having just exercised.

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Will I receive any radiation during the procedure?

A small amount of radiation is received. Increasing your fluids will help to remove the radiation through your urine.

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What if I am pregnant or breast feeding?

Notify your physician as this test may not be appropriate.
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