Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of PA X-ray
Medically reviewed by Min Clinic Staff | Updated: January 2026
PA X-ray: An X-ray picture in which the beams pass from back-to-front (posteroanterior). As opposed to an AP (anteroposterior) image in which the rays pass through the body from front-to-back