Humerus and Shoulder Girdle2

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  1. What is BImage Upload
    greater tubercle
  2. What is AImage Upload
    greater tubercle (A)
  3. Image UploadWhat is the Position what is the Xray of
    External rotation (AP projection of humerus)
  4. Image Upload
    Neutral rotation (oblique projection of humerus).
  5. What is the Position what is the Xray ofImage Upload
    Neutral rotation (oblique projection of humerus).
  6. Image UploadWhat is the Position what is the Xray of
    Internal rotation (lateral projection of humerus).
  7. Image UploadWhat is The Position and Part
    Internal rotation (lateral projection of humerus).
  8. Image Uploadwhat is the position and part
    External rotation (AP projection of humerus)
  9. Image UploadWhat is the position and the part
    External rotation (AP projection of humerus)
  10. explain what you see with a PA forearm
    the radius crosses over the ulna at the elbow
  11.  explain what you see with an AP forearm 
    You want to see the proximal wrist and elbow joints as well as distal humerus
  12. Tube angulation on a tangential projection of the carpal canal?
     25-30 degrees
  13. Explain imaging criteria for a lateral forearm. 
    Lateral projection of entire radius and ulna, proximal row of carpal bones, elbow and distal end of humerus are visible as well as pertinent soft tissue such as fat pads and strips of the wrist and elbow joints. 70-75kV on digital, 11x14 IR small patients, 14x17 IR larger patients, 40" SID, detail screens, direct IR to midforearm
  14. Imaging criteria for AP shoulder. 
    AP projection of proximal humerus and lateral two thirds of clavidle and upper scapula, including relationship of the humeral head to the glenoid cavity. 40" SID, 10x12 IR crosswise, 75-85 kV, CR 1" inferior to corocoid process
  15. For most shoulder dislocations, the humeral head is displaced how? 
    anterior to glenoid cavity
  16. How much do you abduct the arm for a Lawrence method inferosuperior axial? 
    90 degrees
  17. Where do we center the CR for an AP shoulder? 
    1" below corocoid 
  18. Know how epicondyles are positioned for AP humerus. 
    Parallel to IR and equidistant
  19. How is central ray projected for a PA clavicle?
    15-30 caudal angle
  20. Where do you direct CR for PA hand? 
    third MCP joint
  21. What determines amount of axial projection of the clavicle for the patients habitus? 
    thin asthenic patients require 10-15 degrees more angle than do patients with thick shoulders and chest (hypersthenic)
  22. Look at Grashey method. Whats demonstrated?
     Glenoid cavity should be seen in profile without superimposition of humeral head.
  23. Size of IR and orientation for shoulder projections?
    • GRASHEY METHOD 8x10 , some are lengthwise some are crosswise
    • AP PROJECTION 10x12
  24. What does capitulum articulate to?
    head of radius
  25.  What position? lesser tubercle in profile 
    medially with internal rotation (rotational lateral-lateromedial or mediolateral projections),
  26.  greater tubercle is in profile
     laterally in AP projection external rotation
  27. kV range for shoulder? 
    75-85 kV 
  28. kV range for first finger?
    55-60 kV
  29. What does distalization of posterior fat pad on elbow indicate?  
    changes within the joint space, joint pathologic process
  30. How much weight do you use for an AC joint study?
    8-10lb minimum weights
  31. What would you do to reduce amount of superimposition of radial head with other structures?
  32. Image UploadWHAT IS A
    Greater tubercle
  33. Image UploadWHAT IS B
  34. Image UploadWHAT IS C
    Anatomic neck
  35. Image UploadWHAT IS D
    Lesser tubercle
  36. Image UploadWHAT IS E
    Deltoid tuberosity
  37. Image UploadWHAT IS F
  38. Image UploadWHAT IS G
     Surgical neck
  39. Image UploadWHT IS H
    Intertubercular groove
Card Set:
Humerus and Shoulder Girdle2
2013-10-23 04:55:17

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