Description of Test You will lie down on a table. A technician
will place electrodes on your chest. Your resting blood pressure
and ECG readings will be taken. An IV (hollow needle and thin
tube) will be placed in your arm. You will be hooked up to a
heart monitor that will record your heart’s activity. Your blood
pressure and heart rate will be checked often. A small amount of
chemical will be injected through the IV and into your body.
Depending on which chemical is used, your heart will beat faster
and/or the blood vessels near your heart will open wider. An ECG
may also be done at this time. If you have chest pain, trouble
breathing, dizziness, or any other symptoms, tell your doctor or
technician right away. The test may need to be stopped. Changes
in the ECG may also be a reason to stop the test. If you are
getting nuclear imaging, the technician will inject a mildly
radioactive chemical through your IV. Thirty to sixty minutes
after the chemical injection, a special camera or an MRI will be
used to tra