preliminary steps in radiology

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4 Terms

1
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general positions of the IR

  • lengthwise (used more frequently)

  • crosswise

  • diagonal

<ul><li><p>lengthwise (used more frequently)</p></li><li><p>crosswise </p></li><li><p>diagonal </p></li></ul><p></p>
2
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source-to-skin distance (SSD)

distance between the focal spot of the radiography tube and the skin of the patient

3
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collimation

limits the exposure of radiation to only the anatomy of interest

  • minimizes radiation exposure to patient

  • reduces the amount of scatter radiation that can reach the IR

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radiograph

image recorded by exposing any of the IR to x-rays