Side Markers (Left vs Right) No image available
To assess rotation of the film, compare the distance between a spinous process to each of the clavicles. If the supinous process is closer to one clavicle, that side is rotated posteriorly.
To ensure adequate penetration, the thoracic spine should be visible.
No image available
To ensure proper inflation, the 6th rib should be visible anteriorly and the 10th rib posteriorly.
