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Jun 18 2011, 11:02 AM EDT (current) AndyC 127 words added
Jun 18 2011, 10:56 AM EDT AndyC 1 word added

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Radiographic Positioning


Adult
Other related pages of interest


Name of projection Shoulder - Superoinferior Axial (SI)
Area Covered Proximal humerus, lesser tubercle of humerus, coracoid process of scapula, scapulohumeral joint
Pathology shown Fractures and or dislocations of the proximal humerus, oesteoporosis, osteoarthritis, Hill-Sachs defect
Radiographic Anatomy Shoulder Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Landscape
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 55 kVp
8 mAs
FFD / SID 100cm
Central Ray CR to shoulder joint at an angle of 5° to 15° towards the elbow
Collimation Four sides of collimation
To the affected shoulder joint
Markers Anterior and lateral
marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Suspended
Positioning Before undertaking this position check the patients ability to abduct the arm to nearly 90°

  • Have the patient seated close the end of the table
  • Place the IR close to the patient
  • Ask the patient to hold the hand of the affected side and raise the arm to a position near as possible at right angles to the long axis of the body
  • Then have the patient lean laterally over the IR until the shoulder joint is over the centre
  • Bring the elbow to rest on the table
  • Flex the patient elbow and place the hand in a prone position
  • Have the patient tilt the head towards the unaffected shoulder
  • CR to shoulder joint at an angle of 5° to 15° towards the elbow
Critique

 Positioning
Area Covered
Collimation
Exposure
Special Notes