What Is the Central Ray Angulation Used for the PA

question 30

Multiple Choice

What is the central ray angulation used for the PA axial, ulnar-deviated wrist projection: a scaphoid wrist fracture is suspected, and the patient is able to ulnar-deviate until the first metacarpal and radius are aligned?

• A) 15 degrees
• B) 20 degrees
• C) 5 to 10 degrees
• D) 20 to 25 degrees

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