You will probably not need to change out of your street clothes. Once in the scanning room, you will lie flat on a table that slides into the scanner. During the procedure, the scanner will come close ...

Positron emission tomography (PET) is a sophisticated medical imaging technique. It uses a radioactive tracer to pinpoint differences in tissues on the molecular level. A whole-body PET scan can ...

A heart computed tomography (CT) scan uses X-rays to create detailed images of your heart. The test can help doctors evaluate the structure and function of the heart and the surrounding blood vessels.