MOD 2 - Image Acquisition and Technical Factors

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Last updated 10:16 PM on 6/16/26
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6 Terms

1
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kVp

  • the peak potential created between the cathode and anode that causes electrons to flow from the cathode and strike the anode → photon generation

  • the strongest of the x-ray photons/ max strength of the beam

2
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kVp controls

  • beam quality

  • beam penetrebility

3
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kV and ALARA

best to work near or at the highest point of the kV range, to reduce the amount of mAs needed

4
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mAs

  • the measure of the volume or amount of x-ray photons in a beam

  • the actual amount of radiation delivered

5
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Setting mAs Factors

  • tissue composition

  • patient thickness

  • SID (only applicable to mAs, not to kVp)

  • grids

6
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EI numbers reflect

the amount of radiation striking the imaging receptor