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Scintillation detector, United States, 1970-1979

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Low-level radioactive isotopes can be introduced to a patient’s body. This is to monitor or diagnose some medical conditions. The isotopes are not harmful, but they can reveal problems with the organs or blood vessels, or reveal the extent of internal injuries. A gamma X-ray camera tracks the radiation. The camera works by converting the radiation into light through a layer of crystal. This machine then interprets and produces the results in the form of an image of the inside of the body. Later models can produce a moving image rather than a sequence. This lets doctors see the movement of organs in real-time.

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Glossary: clinical diagnosis

A diagnosis given based on the signs and symptoms of a disease.

Glossary: scintillation detector

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