A PA oblique sternal projection (RAO position) with poor positioning demonstrates the right SC joint and manubrium superimposed by the thoracic vertebrae. How should the patient be repositioned for an optimal projection to be obtained?
A) Have the patient take a deep inspiration before the image is obtained.
B) Center the central ray and IR closer to the vertebral column.
C) Increase the degree of patient obliquity.
D) Decrease the degree of patient obliquity.

Question

Quizplus · Accepted Answer

Increasing the degree of patient obliquity on an RAO sternal projection will move the SC joint and manubrium further away from the thoracic vertebrae, resulting in a clearer image of these structures.

A PA Oblique Sternal Projection (RAO Position) with Poor Positioning