AP Projection Chest
IR size: 14×17 inches
Shielding: Lead shield around waist
Patient Position: Patient is usually supine on cart, if patient is able raise the head of the bed to at least semi-erect position. Roll patients shoulders forward
Part Position: Place IR behind patient, aligning the top of the IR 1.5 to 2 inches above shoulder.
Central Ray: Center to midsagittal plane at level of T7, Angle the tube to match the long axis of the sternum and ensure the IR is perpendicular to the tube
SID: 72 inches
Collimation: On small patients you can collimate on all four sides
Respiration: Exposure made while patients is holding breath on second full inspiration
