Difference between revisions of "Hand - PA"
Jump to navigation
Jump to search
(Created page with "<div class="WPC-editableContent"><h3> Radiographic Positioning</h3><br/><table align="bottom" cellpadding="3" class="WPC-edit-border-none" width="100%"> <tr> <td class="" wi...") |
(No difference)
|
Latest revision as of 16:51, 11 November 2020
Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Hand - PA |
Area Covered | Hand, wrist and 2.5cm of distal forearm |
Pathology shown | Fractures, dislocations, foreign bodies. Pathological processes - osteoporosis and osteoarthritis. |
Radiographic Anatomy | Hand Radiographic Anatomy |
IR Size & Orientation | 24 x 30cm Landscape, divided in half usually fits 2 projections, use lead masking for unused area |
Film / Screen Combination | Detail (CR and DR as recommended by manufacturer) |
Bucky / Grid | No |
Filter | No |
Exposure | 50 kVp 2.5 mAs |
FFD / SID | 100cm |
Central Ray | Directed to 3rd metacarpophalangeal joint Perpendicular to the IR |
Collimation | Centre: 3rd metacarpalphalangeal joint Shutter A: Includes all of the distal phalanges to 2.5cm of the distal ulna and radius Shutter B: To include soft tissues |
Markers | Distal and Lateral Marker orientation AP |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Not applicable |
Positioning |
|
| Positioning
|
Special Notes | Effect of flexion of the hand If the palmar surface of the hand is not placed against the surface of the IR, this results in poor alignment of the joint space with the central ray. This results in closed joint spaces and and foreshortening of phalanges and metacarpals |