Lumbar - L5/S1 AP or PA
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Radiographic Positioning
| Adult | Other related pages of interest |
| Name of projection | L5/S1 - AP |
| Area Covered | L5 to S1 joint space and sacroiliac joints |
| Pathology shown | Pathology of L5 to S1 and sacroiliac joints |
| Radiographic Anatomy | Lumbar Spine Radiographic Anatomy |
| IR Size & Orientation | 18 x 24cm Landscape |
| Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
| Bucky / Grid | Moving or Stationary Grid |
| Filter | No |
| Exposure | 75 kVp 35 mAs |
| FFD / SID | 100cm |
| Central Ray | CR angled cephalad 30° males and 35° females CR enter at level of ASIS centred to the midline of the body |
| Collimation | Four sides of collimation collimate closely to area of interest |
| Markers | Lateral Marker orientation AP |
| Shielding | Gonadal without obscuring areas of interest (check your department's policy guidelines) |
| Respiration | Suspended |
| Positioning |
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| Critique | Positioning |
| Special Notes |