Optimal use of the lateral radiograph requires systematic analysis.
First is an overview, followed by analysis of the airway and major hilar structures.
Next is attention to the three areas where the image darkens in the absence of visible structure edges.
Last is attention to the periphery and the upper abdomen.
The technologist, an individual specially trained to perform radiology examinations, will position the patient with hands on hips and chest pressed against the image plate.
For the second view, the patient's side is against the image plate with arms elevated.
Five Anatomic Technical Assessments of Chest Radiographs
Some of the more common criteria to assess radiographs, specifically chest radiographs, are penetration, inspiration, rotation, magnification, and angulation. “PIRMA” is a helpful mnemonic that can help one remember these five criteria.