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Myoview Persantine Study
You have been scheduled for a Myocardial Perfusion Pharmacological Stress study which involves the use of a small amount of radioactive material. The level of radioactivity used is extremely low and has no side effects.
You will be positioned next to a special detector called a gamma camera. The camera does not produce any radiation. It will be placed close to the part of your body being imaged.
Patient Preparation
You cannot eat or drink for 4 hours before the study. Since caffeine inactivates adenosine/dipyridamole, it is important that you not consume any product containing caffeine for 24 hours before the test: Caffeine is found in coffee, tea, colas, chocolate, Tylenol 1, 2, and 3, Excedrin and Anacin. Informed consent will be obtained.
Procedure
A small amount of radioactive material will be injected into a vein in your arm to provide pictures of your heart both at rest and following the administration of adenosine/dipyridamole. The test will be supervised by a cardiologist. The pictures of the heart that determine blood flow to the heart (myocardial perfusion) will be taken at rest and again following the adenosine/dipyridamole. For the imaging procedure, you will lie under a camera for 15-20 minutes. The images are subjected to computer analysis and provide three dimensional information concerning the blood flow to the heart muscle at rest and during stress.
The entire procedure takes approximately 3 hours. In some cases, a separate set of images 4 or 24 hours later may be necessary.
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