* Inform your physician if you are pregnant or breast feeding.
The level of radioactivity used for this exam is extremely low and has no side effects.You will be positioned on an imaging table, under 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
None

Procedure
This is a three-part test. On your first visit, a small amount of radioactive material will be injected into a vein in your arm. Painless images will be obtained immediately after injection, at 60 minutes and two hours after injection.  The test lasts for 3 hours.