Nuclear Physics Explained
Medical Imaging: CT, PET, SPECT, and MRI
TV-PG
S1 • E22 Apr 26, 2018 30mThe ability of radiation to penetrate the body and chart density and metabolic activity has led to a wide range of tools for medical imaging, including mammograms, PET scans, CT scans, bone-density tests, MRI, and other technologies. Learn how these tools work; what they reveal; and when, if ever, the doses of radiation might pose a significant risk.