UGI

Question 1

Film size for UGI

Answer 1

14 x 17 LW Bucky

Question 2

Position for RAO UGI

Answer 2

Recumbent prone
Head on pillow
Rotate patient 40-70 (usually 45) degrees
Right anterior against table.
Center patient midway between spine and lateral border of body.

Question 3

CR for RAO UGI

Answer 3

Perpendicular to duodenal bulb, at level of L2.

CR midway between spine and lateral border of body.

Question 4

Structures RAO UGI

Answer 4

Air in fundus 
Barium in body and pylorus of stomach.
See: pylorus of stomach
C-loop of duodenum
Profile image of duodenal bulb

Question 5

Right Lateral of UGI position

Answer 5

Recumbent on right side.
Shoulders and hips in true lateral.
Arms abducted up towards head.
Knees flexed.
Center body midway btwn the midcoronal plane and the anterior surface of abdomen are aligned with the midline of grid.

Question 6

CR for Right Lateral UGI

Answer 6

Perpendicular to level of L1.

Anterior 1” to 1.5” anterior to mid- coronal plane.

Question 7

Structures seen Right Lateral UGI

Answer 7

Retrogastric space
Barium primarily in the mid and distal stomach and duodenum.
Barium filled C-loop of duodenum.
See tumors behind stomach area
See lateral view of vertebrae.

Question 8

AP position UGI

Answer 8

Patient supine
MSP to long axis of table.
No rotation.
Can do trendelenburg for reflux or hiatal hernia.

Question 9

CR for AP UGI

Answer 9

Perpendicular to level of L1.

Midway between midline of body and left lateral margin of abdomen.

Question 10

Structures for AP UGI

Answer 10

Barium filled fundus of stomach and duodenum.
Air In body of stomach.
Can see hiatal hernia in trendelenburg position.

Question 11

UGI routine

Answer 11

RAO
Right Lateral
LPO
AP

Question 12

Position for LPO UGI

Answer 12

Recumbent
From supine position, rotate 30-60 degrees with left posterior aspect against table.
Arms up near head
Center of IR midway between xiphoid process and lower margin of the ribs.

Question 13

CR for LPO

Answer 13

Perpendicular to level of L1.

Midway between midline of body and left lateral margin of body.

Question 14

Structure seen LPO UGI

Answer 14

Barium filled fundus
Air filled body
Pylorus and duodenal bulb seen with air-contrast in profile.
C-loop

Question 15

Reasons to do UGI

Answer 15

Peptic ulcers
Hiatal hernia
Diverticula
Gastritis
Tumor
Bezoar
Gastroenteritis

Question 16

Steps for contrast for UGI

Answer 16

EZ Gas
Sip of water
Thick barium
Patient turns 360 degrees when recumbent on table; to coat lining of intestines

Question 17

Why is it important to select the correct study on the computer screen?

Answer 17

Because kVp is specific to type of contrast
Barium 100 kVp
Air 90 kVp
Gastrographin 80-90 kVp

Question 18

Does the patient need to drink barium during overhead Xrays for UGI

Answer 18

No

Question 19

What structures do you see in PA UGI

Answer 19

Air in fundus
Barium in body
See: stomach
A little bit of duodenum
Duodenal bulb

Question 20

Reasons why you would do preliminary xrays for UGI

Answer 20

KUB before to see if there are kidney or gallstones.
If patient had a CAT scan prior, see if there is still contrast in body.
Ask radiologist if they want a KUB prior to exam; after getting pt Hx.

Question 21

Patient needs to be NPO for how long before UGI?

Answer 21

After midnight for 8 to 9 hours before exam

Question 22

When small intestine study is going to be done, NPO for?

Answer 22

After their evening meal

Question 23

Why shouldn’t patient smoke or chew gum after midnight

Answer 23

They stimulate gastric secretion and salivation. Prevents excessive fluid from accumulating in the stomach and diluting barium.

Question 24

What is a biphasic examination

Answer 24

A combination of the single contrast and double contrast methods done during same procedure.

Question 25

The advantage of double contrast study.

Answer 25

Small lesions are less easily obscured, and the mucosal lining of the stomach can be more clearly visualized.

Question 26

Why is the RAO position best used for in a UGI?

Answer 26

Studies of pyloric canal and duodenal bulb;

Because gastric peristalsis is usually more active in this position.