Shoulder - Inferosuperior (IS) Axial (West Point Method)

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Name of projection	Shoulder - Inferosuperior (IS) Axial (West Point Method)
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 directed 25° anterior and 25° medially through the midscapulohumeral joint
Collimation	Four sides of collimation To the shoulder joint
Markers	Anterior and lateral marker orientation AP
Shielding	Gonadal (check your department's policy guidelines)
Respiration	Suspended
Positioning	West Point Method Patient prone on the X-ray table Abduct affected arm away from the body 90° if possible, with elbow flexed to allow forearm to hang freely over side of table Rotate the head away from the affected side Place IR against the superior surface of the affected shoulder CR directed 25° anterior and 25° medially through the midscapulohumeral joint This view may also be performed supine using the Lawrence method
Critique PACEMAN	Positioning Area Covered Collimation Exposure
Special Notes

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