The difference between Chest Posterior Anterior (PA) and Anterior Posterior (AP) radiographs.

4. Why do we do Chest projection imaging AP

  • The patient is not well enough to get into the correct position
    • They may be:
      • unconscious on the Intensive Treatment Unit (ITU)
      • Catheters and tubes for life support and monitoring
      • Generally unwell or have learning or physical disabilities
  • The patient is being barrier nursed eg COVID-19 patients