PA projection of chest x-ray pt. positioning
pt. erect, feet spread slightly.
hands on lower hips, palms out, elbows slightly flexed
shoulders rotated forward against IR to move scapula away from lung field
depress shoulders downward
align MSP to CR and to midline of IR with equal margins between lateral thorax and sides of IR.
Ensure no rotation of thorax
Raise or lower CR and IR to the level of T-7
Top of IR will be 1.5-2 inches above shoulders