Lumbar - L5/S1 Lateral
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | L5/S1 - Lateral |
Area Covered | Open L4 to L5 and L5 to S1 joint space, |
Pathology shown | Spondylolisthesis involving L4 to L5 or L5 to S1, fractures and degeneration |
Radiographic Anatomy | Lumbar Spine Radiographic Anatomy |
IR Size & Orientation | 18 x 24 cm |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | Moving or Stationary Grid |
Filter | No |
Exposure | 85 kVp 50 mAs |
FFD / SID | 100cm |
Central Ray | CR perpendicular to IR CR 4cm inferior to iliac crest and 5cm posterior to ASIS |
Collimation | Four sides of collimation collimate closely to area of interest |
Markers | Anterior Marker orientation AP |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | Suspended |
Positioning |
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Critique | Positioning |
Special Notes |