Stomach PA Flashcards
1
Q
- What does NPO mean?
A
Nothing by mouth
2
Q
- How long should a patient be NPO prior to an UGI exam? Why?
A
8-10 hours to stop peristalsis
3
Q
- What 2 things should a patient NOT do the morning of an UGI exam? Why?
A
No chewing gum, or smoking, to prevent peristalsis
4
Q
- What material is used for a single contrast study?
A
Iodine
5
Q
- What is the atomic number of this material? Why is this important?
A
Iodine 53
Barium 56
High atomic numbers absorb xrays
6
Q
- What materials are used to a double contrast study?
A
Barium sulfate and air
7
Q
- Describe the role of the radiographer in an UGI procedure.
A
Set up room, contrast material, mix barum with water, shake, cyrstals in shot glass and water, set up table, control panel, monitor, take patient history
8
Q
- Why is the patient rolled around the table 1-2x after ingesting the contrast media?
A
Coats every area of stomach with barium
9
Q
- What position may be used to stimulate acid reflux or a sliding hiatal hernia during fluoroscopy?
A
RAO
10
Q
- What other maneuver may be done to stimulate acid reflux or a sliding hiatal hernia during fluoroscopy?
A
Valsalva maneuver
11
Q
- Why is it important to watch the television screen during fluoroscopy?
A
So you know where to center for post xray images
12
Q
- Which position will help increase peristalsis?
A
Trendelenburg
13
Q
- Describe how a patient’s body habitus will affect the location of their abdominal organs.
A
Hypersthenic = stomach more horizontal
Hyposthenic= Stomach lower and j shaped
Sthenic= Left to right slanting downward
Asthenic= long, very low
14
Q
- What is the central ray location? Give the exact level and how it is identified on a patient.
A
1-2” above lower rib margin, L1-L2
15
Q
- If patient is upright, how should the central ray location be adjusted?
A
Center lower
