A helpful mnemonic for chest radiograph preinterpretation is:
- P: projection, PA (Posterior-Anterior) or AP (Anterior-Posterior)? left lateral or right lateral?
- O: orientation, determine left and right of the chest x-ray
- P: penetration (of the x-ray), under- or over-penetration?
- I: inspiration, poor or optimal inspiration?
- R: rotation, with or without?
- A: angulation, with or without?
- M: motion, with or without?