Definitions for "Positron emission tomography"
A method of brain imaging that assesses metabolic activity by use of a radioactive substance injected into the bloodstream. go to glossary index
A test that uses positron emitting substances to assess information about the metabolism of elements that can be used to indicate whether heart muscle is alive and functioning. A ring of radiosensitive detectors positioned around the chest reconstructs a two- or three-dimensional image of the heart.
A method by which certain radioactive substances (isotopes) may depict metabolic functioning within brain tissue.
a non-invasive radiologic study which involves the injection or inhalation of a radioisotope
Keywords:  medical, test, function, measure, organ
Medical test to measure function of an organ in the body.