SI joints, Sacrum, Coccyx

How is the CR directed for this exam?

• 10 degrees Caudad

• 15 degrees Cephalic

• 30-35 Cephalic

• perpendicular

The Patient is placed in the _____ position, when demonstrating the right side for the AP oblique projection of the SI joints.

When doing a PA axial projection of the SI joints, what direction is the CR angled?

Ferguson originally recommended that the CR be angled ____ degrees for the AP axial projection of the SI joints

How much is the patient obliqued for this projection?

• 45 degrees

• 25-30 degrees

• 15 degrees

• 30-35 degrees

What position is the patient in for this projection?

• Supine

• Prone

• LPO

• RPO

In a radiograph of the AP Axial projection of the SI joints, the superior border of the pubic symphysis is superimposing the superior sacral segments. How would the tech correct the problem?

• Decrease CR angle

• Decrease patient rotation

• Increase CR angle

• Increase patient rotation

Where does the CR enter for this projection?

• Perp to 1" medial of elevated ASIS

• Perp to 1" lateral of elevated ASIS

• Perp to 1" medial of downside ASIS

• Perp to 2" inferior to Pubic symphysis

What are the structures shown for this projection?

• SI joint farther from IR

• SI joint Closest to IR

• Right SI joint

• Left SI joint

What is the respiration phase for the PA oblique projection of SI joints?