Unit4X-rayInteractions&Attenuation

  1. Image Upload 2
    • 1. Energy
    • 2. Thickness
    • 3. Atomic Number
    • 4. Density
  2. Attenuated Radiation = ____ + ____
    Attenuated Radiation = Absorbed + Scatter
  3. Image Upload 4
    • 1. Whole atoms
    • 2. Orbital electrons
    • 3. Nucleus
  4. Image Upload 6
    • 1. Incident photons
    • 2. Target atom
  5. Image Upload 8
    • Coherent Scattering
    • 10 keV
  6. Image Upload 10
    • Outer-shell
    • Backscatter
  7. Image Upload 12
    Ei Incident photon energy = Es Scattered Compton photon energy + (Eb Electron binding energy + Eke Kinetic energy given to ejected recoil electron)
  8. Image Upload 14
    • Photoelectric Absorption
    • inner-shell
  9. Image Upload 16
    Ei = Eb + Eke
  10. Image Upload 18
    • Decreases
    • Increases
    • Decreases
  11. Image Upload 20
    • KV
    • Decreases
  12. Image Upload 22
    • 1. Pair Production
    • 2. Nuclear
    • 3. Therapeutic 
    • 4. 1.02 MeV
    • 5. Negatron 
    • 6. Positron
  13. Image Upload 24
    • 1. Photodisintegration
    • 2. Nucleus
    • 3. 10 MeV
  14. Image Upload 26
    • 1. Oxygen
    • 2. Carbon
    • 3. Hydrogen
    • 4. Nitrogen 
    • 5. Calcium
    • 6. Phosphorus
  15. Image Upload 28
    • 1. Air
    • 2. Fat
    • 3. Muscle
    • 4. Bone
  16. Image Upload 30
    • 1. Subject Density
    • 2. Subject Contrast
    • 3. Subject Detail
    • 4. Subject Distortion
  17. Image Upload 32
    Pleural Effusion   (additive condition)
  18. Image Upload 34
    Cardiomegaly   (additive condition)
  19. Image Upload 36
    Congestive Heart Failure   (additive condition)
  20. Image Upload 38
    Pneumonia.  (additive condition)
  21. Image Upload 40
    Pulmonary Edema.  (additive condition)
  22. Image Upload 42
    Pneumonectomy. (additive condition)
  23. Image Upload 44
    Cirrhosis (enlarged liver). (additive condition)
  24. Image Upload 46
    Paget’s Disease (additive condition)
  25. Image Upload 48
    Osteochondroma (additive condition)
  26. Image Upload 50
    Pneumothorax.   (Destructive condition)
  27. Image Upload 52
    Bowel Obstruction.  (Destructive condition)
  28. Image Upload 54
    Pneumoperitoneum.  (Destructive condition)
  29. Image Upload 56
    Osteoporosis.   (Destructive condition)
  30. Image Upload 58
    Carcinoma (giant cell).    (Destructive condition)
  31. Image Upload 60
    Multiple Myeloma.   (Destructive condition)
  32. Image Upload 62
    Osteolytic Metastasis (from renal carcinoma).   (Destructive condition)
Author
Marc817
ID
348665
Card Set
Unit4X-rayInteractions&Attenuation
Description
Unit 4 X-ray Interactions & Attenuation
Updated