Nuclear Physics Explained

Medical Imaging: CT, PET, SPECT, and MRI (1x22)

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The 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.