Skull - PA (Haas)
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Skull - PA (Haas) |
Area Covered | Occipital bone, petrous ridges and foramen magnum with dorsum sellae and posterior clinoids visualised in the shadow of the foramen magnum |
Pathology shown | Fractures of the skull |
Radiographic Anatomy | Skull Radiographic Anatomy |
IR Size & Orientation | 24 x 30 cm Portrait |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | Moving or Stationary Grid |
Filter | No |
Exposure | 75 kVp 20 mAs |
FFD / SID | 100 cm |
Central Ray | CR angled 25° cephalad to OML |
Collimation | Outer skin margins of the skull |
Markers | Inferior and Lateral Marker orientation PA |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Suspended |
Positioning | Erect
|
Critique | Positioning |
Special Notes |