Forearm - AP
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Reference:
Textbook of Radiographic Postioning and Related Anatomy, Sixth Edition. Authors : Kenneth L. Bontrager, and John P. Lampignano. Copyright 2005 by Mosby, Inc.
Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Forearm - AP |
Area Covered | Radius, ulna, carpals, distal humerus |
Pathology shown | Fractures, dislocations,and pathologic processes such as osteomyelitis or arthritis. |
Radiographic Anatomy | Forearm Radiographic Anatomy |
IR Size & Orientation | 24 x 30 for smaller patients 35 x 43 cm for larger patients Portrait, divided in 2 usually fits two forearm views, use lead masking for unused half |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | No |
Filter | No |
Exposure | 54 kVp, 3.2 mAs |
FFD / SID | 100cm |
Central Ray | Directed to mid forearm Perpendicular to IR |
Collimation | Centre: Midforearm Shutter A: Including distal humerus to base of the first metacarpal Shutter B: Skin line |
Markers | Distal and lateral Marker orientation AP |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Not applicable |
Positioning |
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Critique | Positioning
Centre: Midforearm Shutter A: Including all of the medial epicondyle of the humerus to base of the first metacarpal Shutter B: Skin line Exposure
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Special Notes | Position the joint closest to the fracture site in true AP |
Reference:
Textbook of Radiographic Postioning and Related Anatomy, Sixth Edition. Authors : Kenneth L. Bontrager, and John P. Lampignano. Copyright 2005 by Mosby, Inc.