Elbow - Acute FlexionThis is a featured page

Radiographic Positioning


Adult
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Name of projectionElbow - Acute Flexion
Area Covered Distal humerus, proximal radius and ulna
Pathology shown Fractures and dislocations of the elbow in acute flexion
Radiographic Anatomy Elbow Radiographic Anatomy
IR Size & Orientation 18 x 24 cm
Landscape
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 56 kVp
6 mAs
FFD / SID100cm
Central Ray To visualise both the distal humerus and the proximal radius & ulna, two projections are required, one with CR perpendicular to the humerus and one with CR angled so it is perpendicular to the forearm

Distal humerus:
  • CR perpendicular to IR and humerus
  • Directed to the midpoint between the epicondyles of humerus
Proximal forearm:
  • CR perpendicular to forearm (angled as needed)
  • Directed to a point 5cm proximal to to olecranon process
Collimation Four sides of collimation
Collimate on sides to the soft tissue borders
Upper and lower margins to include area of interest
Markers Distal and Lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Not applicable
Positioning
  • Patient seated at end of table
  • Elbow acutely flexed and fingertips resting on shoulder
  • Align and centre humerus to long axis of IR
  • Ensure no rotation of elbow (palpate epicondyles and see if they are equal distances from IR for no rotation)
To see distal humerus:
  • CR perpendicular to IR and humerus
  • Directed to the midpoint between the epicondyles of humerus
To see proximal forearm:
  • CR perpendicular to forearm (angled as needed)
  • Directed to a point 5cm proximal to to olecranon process
Critique

 Positioning

Area Covered

Collimation

Exposure

Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 19 2011, 7:06 AM EDT (about this update About This Update AndyC Edited by AndyC

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