PA/AP axial Lower GI Flashcards
1
Q
- Which portion of the colon is best demonstrated in this projection?
A
rectosigmoid
2
Q
- What is the central ray angle/direction for the PA axial projection?
A
30-40 degrees caudad
3
Q
- What is the central ray angle/direction for the AP axial projection?
A
30-40 degrees cephalic
4
Q
- What is the central location?
A
PA: MSP superior aspect of iliac spine
AP: MSP 2” below ASIS