What is general nuclear medicine? what are some uses of the procedure?

General : General nuclear medicine is a branch of radiology that uses radioactive substances for imaging organs, disease staging and treatment. I've attached a very informative web page to give you more in-depth information.

Physiologic study: Nuclear scans involve the ingestion, intravenous injection, inhalation, subcutaneous injection , instillation into the bladder of isotopes, radiotracers, in order to define function of various organs of the body, heart, lungs, bones, liver/spleen, stomach, thyroid gland, lymph system, kidneys, bladder, brain, parathyroid gland and gall bladder. Normal values for adults and children are known.