Arrival Time
It is essential for you to be on time for your appointment. It is also very important for you to keep your appointment if at all possible. The Myoview is specially ordered for our scan and is a costly material. If you are unable to keep your appointment, please notify our office at least 24 hours prior to your appointment.
You must NOT smoke for at least six (6) hours before this test.
Eating
You will need to fast (nothing to eat or drink) for 4 hours before your test. In addition, you must avoid caffeine in any form for 24 hours prior to your arrival. Caffeine can interfere with your stress test. Please check all food and drink labels for caffeine.
Following is a list of a few common beverages, foods and medication with caffeine that you must avoid:
- Coffee - all forms, including decaffeinated
- Tea - all forms, including decaffeinated
- Chocolate drinks - including chocolate milk, cocoa, and Yoo-Hoo
- Cola drinks - including decaffeinated
- Medications that contain caffeine : Cafergot, Fiorinal, Wigraine, Darvon Compound, Synalgos, Anacin, Excedrin, No-Doz.
Clothing
It is recommended that you wear a 2-piece outfit (you will be removing your shirt and putting on a gown for the Adenosine, Persantine, or Dobutamine test).
Medications
DO NOT take the following mdeications for 24 hours prior to your appointment:
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ATENOLOL
CALAN
CARDIZEM
COREG
CORGARD
CARVEDILOL
DILACOR
INDERAL
ISOPTIN
LABETALOL
LOPRESSOR
METOPROLOL
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NADOLOL
NORMODYNE
TOPROL/METOPROLOL SUCCINATE
PROPANOLOL SECTRAL
TENORMIN
TENORETIC
TRANDATE
VERELAN
VERAPAMIL
ZIAC
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If your doctor specifically tells you to take any of these medications before the test, you may do so with a glass of water.
Diabetics
You will be fasting for at least 4 hours prior to the exam. However, you will be given time to eat after your first injection of Myoview. Please bring a snack. Your diabetic medications will not interfere with this test.
What to expect during the test
Adenosine, Persantine and Dobutamine are all used for people who cannot exercise vigorously on a treadmill. Instead of vigorous exercise to increase blood flow to the heart, one of these chemicals is used to cause a response in your heart that will simulate exercise. You may or may not be asked to perform some light arm or leg exercises during the chemical infusion. These chemicals are extremely accurate in allowing us to assess the blood flow to your heart during stress.
When you arrive for your appointment, you will first receive an injection (in a vein in your arm) of Myoview. Myoview is a radioactive medicine that will be taken up by your heart muscle and allow the technologist to image the blood flow to your heart. Myoview does not contain any iodine and there are no side effects at all from this injection.
After the injection, the Myoview needs to circulate for approximately 30 minutes. During this time, you may eat whatever you like, with the exception of caffeine. PLEASE BRING A SNACK. (Note: If your arrival time is 11:30, you will be given an injection and then allowed to go to lunch. You will return at 1:00 to 1:15.) You will then have the first set of images, called the "Rest images", taken. This will last approximately 20 minutes.
Next you will be set up for the "stress" portion of the test. EKG leads will be placed on your chest. We will infuse the chemical that your doctor ordered for you. Your doctor will be present during the infusion.
Occasionally, patients may experience symptoms such as flushing, elevated heart rate, burning sensations in the chest or headache during the chemical infusion. This will usually subside very quickly on its own, however, if it does not we have medications we can give you to reverse the effects of the chemical.
After the infusion is complete, another dose of Myoview will be given to you through your IV. A second set of images, called the "Stress images", will be taken in approximately 20 to 30 minutes.
After the test
You will be able to drive home as usual. There are no side effects from Myoview.
In most circumstances, you may call the technologist the next day for your results. The results are also faxed and sent to the physician who referred you here. If you do not hear from us within 2 days, please call the office.
