Chest - Apical
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Radiographic Positioning
Adult | Other related pages of interest |
Name of projection | Chest - Lordotic Apical |
Area Covered | Apices of the lungs, clavicles, the upper two-thirds of the lung fields show foreshortened |
Pathology shown | Lesions of the lung apices, such as tumour and infection |
Radiographic Anatomy | Chest Radiographic Anatomy |
IR Size & Orientation | 24 x 30 cm or 30 x 40cm Landscape |
Film / Screen Combination | Regular (CR and DR as recommended by manufacturer) |
Bucky / Grid | Yes |
Filter | No |
Exposure | 100 kVp 4 mAs |
FFD / SID | 180 cm |
Central Ray | Directed to the midsagittal plane, at the level of the manubrium The angle of the central ray differs depending on the positioning method used Method 1: central ray is 30° cephalad Method 2: central ray is perpendicular to the IR |
Collimation | Centre: Directed to the midsagittal plane, to the manubrium Shutter A: Open to film size or to include anatomy of interest Shutter B: Open to the level of the acromioclavicular joints (AC joints) laterally. This will include the lung fields laterally. |
Markers | Superior and Lateral Marker orientation AP |
Shielding | Gonadal (check your department's policy guidelines) |
Respiration | On suspended deep inspiration |
Positioning | Method 1:
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Critique | Positioning
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Special Notes | To rectify clavicle superimposition Method 1: Increase the cephalic central ray angulation Method 2: Have the patient further away from the bucky, ensuring their torso makes an angle with the bucky of approximately 45° |