Large Intestine Contrast Studies

Question 1

List a reason why an air contrast BE study is preferred over a double contrast BE study.

Answer 1

Better visualization of mucosal lining and it will distended the bowel.

Question 2

Barium is referred to as a –1– meaning that it will not ever totally mix and will not be absorbed into the body.

Answer 2

1. Suspension

Question 3

List three methods used for cleansing the bowel in preparation for a barium enema exam.

Answer 3

1. Enema
2. Dietary Restrictions
3. Laxatives

Question 4

Double contrast barium enema exams may be performed by using two different methods for filling the colon with air and barium. Describe the both.

Answer 4

1. Single stage double contrast method in which the colon is selectively filled with barium and air at the same time.
2. Two stage double contrast in which the colon is filled with the barium contrast, the pt elevates and returns to the radiographic table for insertion of air to finish the exam.

Question 5

Explain the proper breathing method that should be explained to the patient that will assist them throughout the BE procedure.

Answer 5

Slow deep breathing. In through the nose out through the mouth.

Question 6

The temperature of choice for barium preparation is –1–.

Answer 6

41 degrees F

Question 7

The –1– position is used when the enema tip for a procedure.

Answer 7

Sims

Question 8

The –1– method of filling the colon calls for filling the colon with barium, emptying, and filling with air.

Answer 8

Welin

Question 9

The most anterior structure of the large intestines is the –1–.

Answer 9

Transverse Colon

Question 10

The external opening of the large intestine is –1–.

Answer 10

Anus

Question 11

The pouches of large intestine are –1–.

Answer 11

Hautra

Question 12

When performing a BE exam, it is referred to as a –1–.

Answer 12

Retrograde

Question 13

The –1– position will best demonstrate and open the hepatic flexure.

Answer 13

LPO

Question 14

When a left lateral decubitis radiograph of an air contrast BE, the –1– will be filled with air.

Answer 14

ASCENDING COLON

Question 15

The CR should be to the approximate level of –1– for a PA projection BE follow up radiograph.

Answer 15

Iliac crest

Question 16

When performing an AP axial projection BE follow up radiograph, the CR should be –1– degrees –2–.

Answer 16

1. 30-40 degrees

2. Cephalic

Question 17

When performing an AP projection during an air BE study, air may appear in the –1– due to its position.

Answer 17

Transverse Colon

Question 18

List three things that occur in order for something to be decubitus.

Answer 18

1. Vertical IR
2. Horizontal CR
3. Recumbent patient

Question 19

The most anterior part of the stomach is –1–.

Answer 19

Pylorus

Question 20

Splenic Flexure

Answer 20

RPO

Question 21

BA filled descending colon

Answer 21

Left lateral decub

Question 22

BA filled transverse colon

Answer 22

PA

Question 23

Rectosigmoid

Answer 23

AP axial

Question 24

Hepatic Flexure

Answer 24

LPO

Question 25

Air filled transverse colon

Answer 25

AP

Question 26

Air filled descending colon

Answer 26

Right lateral decub

Question 27

Rectum and distal sigmoid

Answer 27

Lateral

Question 28

How much should patients be obliqued when performing the BE follow ups?

Answer 28

35-40 degrees

Question 29

The costophrenic angle is at vertebral --1--.

Answer 29

L1-L2

Question 30

What position will best demonstrate the duodenal loop?

Answer 30

Lateral

Question 31

Why is it important that the entire colon be cleaned out prior to the BE exam?

Answer 31

So fecal matter doesn't mimic pathological polyps or lesions.

Question 32

What is proper kV to use when performing BE exam and why?

Answer 32

90 kG or higher because you're trying to penetrate barium.

Question 33

The CR should be directed to enter --1-- for the AP axial projection of the colon.

Answer 33

2" below ASIS

Question 34

When performing the PA axial projection of the colon, the CR should be angled --1-- degrees --2-- entering --3--.

Answer 34

1. 30-40 degrees 2. Caudal 3. ASIS

Question 35

When performing through left or right lateral projection for colon, the CR should perpendicular and directed to the level of --1--.

Answer 35

ASIS

Question 36

What centering adjustment may need to be made when performing any projection for the colon in the upright positi.

Answer 36

May need to center down a little lower due to the colon moving lower in abdominopelvic cavity.

Question 37

The for barium from ingestion to colonic filling --1--.

Answer 37

3-4 hrs

Question 38

What is the general term given for a surgical procedure of an artificial opening into the intestine?

Answer 38

Enterostomy

Question 39

Once the waste products of digestion have entered the colon, if too much water/fluid is absorbed by the body the resulting affect to the patient is the condition of --1--.

Answer 39

Constipation