Explain procedure, written informed consent, instruct child to empty bladder & bowel before, monitor VS during & after (may sedate), explain importance of remaining still, gently hold child to prevent injury, positioning: lie on bedside at edge of bed, chin tucked to chest & knees drawn up, place hand behind neck & other behind knees, hold child firmly, monitor color & respiratory status, keep child on reclining position for 12 hours, encourage to drink lots of fluid, assess for numbness, tingling, decrease movement, pain, drainage