Stomach PA oblique

Question 1

• What position should be performed? Why is this position preferred?

Answer 1

RAO, gravity helps increase peristalsis, puts things from proximal to distal stomach

Question 2

• How much is the patient rotated? Describe how this varies based on patient body habitus.

Answer 2

40-70 degrees
Larger patient, greater obliquity

Question 3

• What is the central ray location?

Answer 3

1-2” above lower rib margin, L1-L2

Question 4

• What structure is best demonstrated in profile?

Answer 4

Duodenal bulb and loop in profile

Question 5

• What structure will be demonstrated with barium?

Answer 5

Pylorus