The tracer material a radionuclide is eliminated from the body in a day or two. Complications or side effects are rare. The individual who will be performing the cxamination on you is known as a Nuclear Medical technologist. A radionuclide will then be injected or taken orally. This makes it possible for the camera to detect certain organs and their functions.
Most scans require many differnet images and perhaps a few position changes.
You will be asked to lie still. Each scan will take about three minutes some may take longer. Movement may result in the need for additional scans. Time may vary significantly depending on the nature of the study and other factors. Your doctor will advise you of the amount of time needed for your particular exam.