Critique Packet

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Across
  1. 1. distortion or error in an image not related to subject being studied
  2. 4. how efficiently a system works to display an image
  3. 6. rows and columns of pixels
  4. 8. preserves image contrast as a function of digital detector resolution
  5. 9. controlled by filtration and kVp
  6. 10. readout estimating patient exposure level
  7. 12. an increase in this will decrease receptor exposure due to scatter absorption
  8. 15. controlled/effected by mAs, kVp, SID and filtration
  9. 16. from the center of one pixel to the center of the adjacent pixel
  10. 17. percentage of useful signal to non-useful signal
  11. 20. picture element
  12. 21. percentage of DEL for xray absorption
  13. 22. moderately heavy patient build
  14. 24. as low as reasonably achievable
  15. 27. number of bits per pixel
  16. 28. current
  17. 29. form of shape distortion where things look longer
  18. 31. electric potential
  19. 32. form of shape distortion where things look shorter
  20. 34. frail patient build
  21. 35. misrepresentation of size or shape of object
Down
  1. 2. how sensitive the imaging system is
  2. 3. manipulates brightness
  3. 5. range of techniques that produce a quality image at an appropriate dose
  4. 7. different intensities in xray beam due to patient characteristics
  5. 11. type of artifact that occurs with extraction of xrays from IR
  6. 13. doubling the distance will reduce the dose by 4x
  7. 14. massive patient build
  8. 18. exposure on IR
  9. 19. insufficient signal strength
  10. 22. sharpness of an image
  11. 23. range of exposures that can be captured by the IR
  12. 25. quantity of xrays that reach the IR
  13. 26. size distortion caused by excess OID or insufficient SID
  14. 30. manipulates the grayscale
  15. 33. difference between two adjacent brightness levels