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LA2: Dx Imaging (Nuclear Scintigraphy)

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  1. What does Nuclear scintigraphy locate?
    metabolic activity of bone associated with inflammation or trauma
  2. What radiographic isotope is attached to Methylene diphophonate salt in nuclear scintigraphy?
    technetium 99
  3. What binds to the bone is nuclear scintigraphy?
    technetium 99
  4. In nuclear scintigraphy the gamma camera detects  gamma rays and creates a _ image not a _ image.
    • physiological
    • not physical
  5. What 3 things are kept in mind with radioactive substances used for nuclear scintigraphy?DUQ
    • double glove and avoid contact
    • urine and feces disposal
    • quarantine animal for 3 days
  6. What are the 3 phases of nuclear scintigraphy?VSB
    • vascular
    • soft tissue
    • bone
  7. How long does the vascular phase last?
    90 sec
  8. How long does the bone phase last?
    2.5-4hrs
  9. What imaging technique is not reliable and detects hot spots/inflammation in soft tissues?
    thermography
  10. What kind of radiation is used in thermography?
    infrared
  11. What can lead to false positives with thermography?wbbms
    • wraps
    • blankets
    • bug bites
    • meds
    • shaving hair
  12. Ultrsound is mainly used for what?
    reproductive study
  13. How many MHz does the US transducer have?
    2-13
  14. US is useful and easy is evaluating what tissue?
    soft tissue
  15. Uses of US in equine:RTAM
    • reproductive management
    • thoracic and cardiac evaluations
    • abdominal evaluation
    • musculoskelatal structures
  16. Hyperechoic:WSB
    • white areas
    • solid tissue
    • bone
  17. Hypoechoic:GML
    • grey areas
    • muscle  blood
    • loose tissues
  18. Anechoic:BLU
    • black areas
    • liquid
    • urine
  19. In endoscopy when is the scope used to analyze laryngeal paralysis, infx, epitaxis, and resp dz?
    scope at rest and during exercise
  20. The guttural pouch  does what?CHI
    • cools the carotids
    • holds  300-500ml
    • infx site
  21. Name 2 other primary uses of endoscopy in the equine? GU
    • gastrointestinal tract disorders
    • urinary tract disorders
  22. MRI and CT is used to ID
    • bone inflam
    • soft tissue leasion
  23. MRI uses a 0.25 _ magnet (always on)
    tesla
  24. Is general anesthesia required for a MRI?
    yes
  25. CT is also particulary good for examing what tissue?
    hard tissue
  26. What advantage does CT have over other images?
    superior resolution
Author:
 Anonymous
ID:
 247947
Card Set:
 LA2: Dx Imaging (Nuclear Scintigraphy)
Updated:
2013-11-20 03:18:46
Tags:
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