• You will be asked to sign a consent form for the exercise part of the test. Please read the form carefully. If you have any questions, do not hesitate to ask. A physician or supervising nurse/technician will explain the entire procedure before beginning the Myocardial Perfusion Test.
• Several adhesive patches, called electrodes, will be placed on your chest. These will be placed on your chest. These will be connected to an electocardiographic (ECG) monitor so that your heart rate and rhythm can be watched closely throughout the Myocardial Perfusion Test. An intravenous (I.V.) line will be inserted in your arm. This will be used to inject the radioisotope Thallium (tracer) at maximum exercise. The I.V. will be removed after completion of the test.
• You will exercise by walking on a moving belt called a treadmill. This treadmill will be started at a very slow speed and as the Myocardial Perfusion Test proceeds, the speed and the incline of th treadmill will be gradually increased. As exercise increases, your heart rate and blood pressure will rise, which is normal. Your heart rate, blood pressure, and ECG will be monitored throughout the Myocardial Perfusion Test.
• You will be carefully monitored during your Myocardial Perfusion Test. To increase the effectiveness of the Myocardial Perfusion Test, it is important to exercise as much as you can. If you experience any unusual symptoms, such as chest pain or arm pain, shortness or breath, or lightheadedness, you should tell the physician, supervising nurse or technician right away. Depending on your symptoms, blood pressure, EKG or the degree of fatigue you develop, adjustment will be made to the exercise portion of the Myocardial Perfusion Test.

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