MIRA2004 Study Guide - Quiz Guide: Costodiaphragmatic Recess, Suprasternal Notch, Sternum

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Cassette: landscape, 35 x 43, no grid. Positioning: patient as erect as possible, roll patients shoulders forwards by rotating the arms medially/internally, patients msp should be centered to ir and cr, sternum must be parallel to the ir. Ir centre should be aligned with the cr. Centering: tube angled to be perpendicular with the long axis of the sternum, centre to middle of sternum/t7 (8-10cm below the jugular notch) Include lung fields: apices to costophrenic angles, lateral skin margins. Exposure factors: kvp 70-80, mas 4-7. Ir under the patient: centre the msp to the midline of the ir, msp perpendicular to the ir, arms at sides, raise the chin if superimposing the chest. Centering: cr perpendicular to the ir, centered to 10cm below jugular notch (t7) Exposure factors: 70-80 kvp, 4-7 mas. Centering: cr perpendicular to ir, centered to mid-sternum.