SHOULDER COMP

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Author:
MYKE
ID:
243543
Filename:
SHOULDER COMP
Updated:
2013-10-29 22:36:10
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SHOULDER COMP
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SHOULDER COMP
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  1. AP SHOULDER—EXTERNAL ROTATION SID is
    40 inches
  2. AP SHOULDER—EXTERNAL ROTATION SID IR size is
    IR size—10 × 12 inches
  3. AP SHOULDER—EXTERNAL ROTATION Kvp Range Analog and Digital
    • Analog—70 to 75 kV range
    • Digital systems—75 to 85 kV range
  4. AP SHOULDER—EXTERNAL ROTATION Patient Position
    • patient in an erect or supine position.
    •  Rotate body slightly toward affected side if necessary to place shoulder in contact with IR or tabletop.
  5. AP SHOULDER —EXTERNAL ROTATION Part Position
    • Position patient to center scapulohumeral joint to center of IR.
    • Abduct extended arm slightly;
    • externally rotate arm (supinate hand) until epicondyles of distal humerus are parallel to IR
  6. WHERE DO YPU CENTER CR IN AN AP SHOULDER—EXTERNAL ROTATION
    CR perpendicular to IR, directed to 1 inch (2.5 cm) inferior to coracoid process
  7. Anatomy Demonstrated FOR AN AP SHOULDER—EXTERNAL ROTATION
    • AP projection of proximal humerus
    • lateral two-thirds of clavicle
    • upper scapula, including relationship of the humeral head to the glenoid cavity
  8. AP PROJECTION—INTERNAL ROTATION: SHOULDER Minimum SID IS
    40 INCHES
  9. AP PROJECTION—INTERNAL ROTATION: SHOULDER IR size IS
    (10 × 12 inches)
  10. AP PROJECTION—INTERNAL ROTATION: SHOULDER ANALOG AND DIGITAL
    • Analog—70 to 75 kV range
    •  Digital systems—75 to 85 kV range
  11. AP PROJECTION—INTERNAL ROTATION:Patient Position
    • erect or supine position.
    • Rotate body slightly toward affected side
    • if necessary to place shoulder in contact with IR or tabletop
  12. AP PROJECTION—INTERNAL ROTATION: Part Position
    • Position patient to center scapulohumeral joint to center of IR.
    • Abduct extended arm slightly;
    • externally rotate arm
    • (supinate hand) until epicondyles of distal humerus are parallel to IR.
  13. AP PROJECTION—INTERNAL ROTATION:CR CENTERED TO
    • CR perpendicular to IR,
    • directed to 1 inch (2.5 cm) inferior to coracoid process
  14. Anatomy Demonstrated AP PROJECTION—INTERNAL ROTATION
    • proximal humerus
    •  two-thirds of clavicle
    • upper scapula,
    • relationship of the humeral head to the glenoid cavity.
  15. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER SID IS
    40inches
  16. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER IR SIZE
    8X10
  17. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER kVP
    Analog—75 ± 5 kV range

    Digital systems—75 to 85 kV range
  18. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER Part Position
    • Rotate body 35 ° to 45 ° toward affected side
    •  If the radiograph is performed with the patient in the supine position, place supports under elevated shoulder and hip to maintain this position.
    • Center midscapulohumeral joint to CR and to center of IR.
    • Adjust cassette so that top of IR is about 2 inches (5 cm) above shoulder and side of IR is about 2 inches (5 cm) from lateralborder of humerus.
    • Abduct arm slightly with arm in neutral rotation
  19. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER Anatomy Demonstrated:
    Glenoid cavity should be seen in profile without superimposition of humeral head.
  20. POSTERIOR OBLIQUE POSITION—GLENOID CAVITY: SHOULDER CR
    perpendicular to IR, centered to scapulohumeral joint, which is approximately 2 inches (5 cm) inferior and medial from the superolateral border of shoulder
  21. AP PROJECTION—NEUTRAL ROTATION: SHOULDER SID
    40 INCHES
  22. AP PROJECTION—NEUTRAL ROTATION: SHOULDER IR SIZE
    10X12
  23. AP PROJECTION—NEUTRAL ROTATION: SHOULDER kVP
    • 70-80 ANALOG
    • 75-80 DIGITAL
  24. AP PROJECTION—NEUTRAL ROTATION: SHOULDER Part Position•
    • Position patient to center scapulohumeral joint to IR
    • Place patient’s arm at side in “as is” neutral rotation.
    • (Epicon-dyles generally are approximately 45° to plane of IR.)
  25. AP PROJECTION—NEUTRAL ROTATION: SHOULDER CR POSITION
    • CR perpendicular to IR, directed to midscapulohumeral joint,
    • which is approximately 3 4 inch (2 cm) inferior and slightly lateral to coracoid process 
  26. TRANSTHORACIC LATERAL PROJECTION:SHOULDER IR SIZE
    10X12
  27. TRANSTHORACIC LATERAL PROJECTION:SHOULDER KvP
    • 75-+5 ANALOG
    • 75-85 DIGITAL
  28. TRANSTHORACIC LATERAL PROJECTION:SHOULDER Part Position•
    • Place affected arm at patient’s side in neutral rotation; drop shoulder if possible.
    • Raise opposite arm and place hand over top of head; elevate shoulder as much as possible to prevent superimposition of affected shoulder.
    • Center surgical neck and center of IR to CR as projected through thorax.              Ensure that thorax is in a true lateral position or has slight ante- rior rotation of unaffected shoulder to minimize superimposition of humerus by thoracic vertebrae.
  29. TRANSTHORACIC LATERAL PROJECTION:SHOULDER CR POSITION
    CR perpendicular to IR, directed through thorax to level of affected surgical neck

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