DI 2

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The flashcards below were created by user jld15 on FreezingBlue Flashcards.


  1. Bone signal
    Bone bruise
  2. eDema
    inflammation of bone or soft tissue (tendinopathy)
  3. soft tissue
    disorders of synovium, fat pad, bursa, tendinopathy
  4. Disc bulge
    • Circumferential enlargement
    • Little/no clinical significance
  5. Protrusion
    Bulge <3mm
  6. Herniation
    Bulge >3 mm
  7. Extrusion
    • Nucleus pierces annulus
    • Irreducible
    • Gets better on own or with discectomy
  8. MRI advantages
    • 1. multiple planes
    • 2. no known health hazards
    • 3. Good contrast for inflammation
    • 4. Good for soft tissue
    • 5. Good for neurologic tissue
  9. MRI disadvantages
    • 1. Expensive
    • 2. claustrophobic
    • 3. limited availability
    • 4. bad for bone trauma compared to CT
  10. MRI contraindications
    • 1. pacemaker
    • 2. Iron intracranial clip
    • 3. non iron metal cause distortion
    • 4. cochlear implant
    • 5. large tattoos
    • 6. 1st trimester
  11. MRI red flags
    • 1. incontinence
    • 2. pain below knee
    • 3. constitutional symptoms
    • 4. major trauma
    • 5. Hx of CA
    • 6. unrelenting agony
    • 7. pain worse at night
    • 8. pain > 6 wks age <18 or >50
  12. CT scan slices
    • Thin: less clarity and more radiation
    • Good to get tissues out of the way (viscera)
  13. CT white vs gray
    • Increase density = increase brightness
    • Bone: white
    • Water: gray
    • Fat: black
  14. CT w/ contrast
    Adds iodine to see structures w/ high blood flow

Card Set Information

Author:
jld15
ID:
321426
Filename:
DI 2
Updated:
2016-06-26 02:05:20
Tags:
DI
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Description:
DI 2
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