Patient is in an upright or supine position with the lateral…
Patient is in an upright or supine position with the lateral aspect against the IR and arms raised above their head. The patient has a wider pelvis, therefore a 5-8 degree caudad angle is added to the tube. Exposure is made as the patient suspend breathing on expiration. The anatomy demonstrated is the L5 body, L5-S1 joint space, and the first and second sacral segments. Where is the CR directed for this projection?