Linac QA

Card Set Information

Author:
RadiationTherapy
ID:
259409
Filename:
Linac QA
Updated:
2014-03-15 12:48:34
Tags:
radiation therapy
Folders:
Registry Review
Description:
Registry Review: Linac QA
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  1. Checked daily, the x-ray & electron output constancy tolerance is:
    3%
  2. Checked monthly, the electron beam flatness constancy tolerance is _____%
    • 3%
    • (across 80% of the field at a depth of 10)
  3. Checked monthly, the x-ray & electron symmetry tolerance is:
    • 3%
    • (across 80% of the field at a depth of 10)
  4. Checked monthly, the gantry & collimator angle indicator tolerance is:
    1%
  5. Checked annually, the monitor chamber linearity tolerance is:
    1%
  6. The equation to correct temperature and pressure is:
  7. The x-ray & electron output constancy tolerance is checked:
    Daily

    (±3%)
  8. The electron beam flatness constancy tolerance is checked:
    Monthly

    (±3%)
  9. The x-ray & electron symmetry tolerance is checked:
    Monthly

    (±3%)
  10. The gantry & collimator angle indicator tolerance is checked:
    Monthly

    (±1%)
  11. The monitor chamber linearity tolerance is checked:
    Annually

    (±1%)

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