How the investigation is performed

A small amount of radioactive material – the tracer – will be injected into a peripheral vein.

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For a renal examination you will be asked to drink 1 L of water prior to the injection. After the tracer is administered, depending on which type of scan is being performed, the imaging will be done in one of our modern scanners. Imaging is done either immediately, a few hours later, or even several days after administration of the radiotracer. 

The injected tracer will accumulate in certain organs, tissue or cells, where it will emit energy as gamma rays. The gamma rays are detected by the scanner and reconstructed by a computer to produce images and measurements of organs and tissues.

Imaging time, the time you will have to spend in the scanner, varies, generally ranging from 20 to 45 minutes. While the images are being obtained, it is important that you remain as still as possible. 

After the procedure, a physician with specialized training in nuclear medicine checks the quality of the images to ensure that an optimal diagnostic study has been performed. A final description and conclusion will be forwarded to the referring physician who will inform you about the result.


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