Elbow - External Oblique
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Elbow - External Oblique (Lateral Rotation) |
Area Covered | Distal humerus, elbow joint space, proximal radius and ulna |
Pathology shown | Fractures, joint effusion, dislocation, radial head and neck, bone lesions, foreign bodies. |
Radiographic Anatomy | Elbow Radiographic Anatomy |
IR Size & Orientation | 18 x 24cm Landscape, divided in half, usually fits 2 projections |
Film / Screen Combination | Detail (CR and DR as recommended by manufacturer) |
Bucky / Grid | No |
Filter | No |
Exposure | 52 kVp 5 mAs |
FFD / SID | 100cm |
Central Ray | To the middle of the elbow - 2cm distal to the midpoint of a line between the epicondyles Perpendicular to IR |
Collimation | Four sides of collimation Collimate on sides to the soft tissue borders Lower margin to include proximal radius and ulna, Upper margin to include distal humerus |
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 |
Special Notes |