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Exam 2
Pics of SA GI
27
Veterinary Medicine
Professional
10/19/2015

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Cards

Term
Where does the stomach sit?
Definition
-caudal to the liver parallel to 10th or 11th intercostal space
Term
What are the locational differences in canine and feline stomachs?
Definition
-feline is more on left
Term
Describe pyloric position in dog. Cat?
Definition
-Dog: right of mid-line at level of 10th rib
-Cat: left of mid-line
Term
If in right lateral, where is fluid in stomach? In left lateral?
Definition
-right lateral: pylorus
-left lateral: fundus
Term
True or False: Although difficult, you can occassionally judge stomach wall thickness radiographically without intraluminal contrast medium.
Definition
-FALSE, you CANNOT
Term
In the following positions during rads, where is the gas?
a) r lat
b) l lat
c) DV
d) VD
Definition
=> gas always rises <=
a) fundus
b) pylorus
c) pylorus and fundus
d) body (on midline)
Term
In a barium study, which part of the stomach contains the greatest amount of barium during a right lateral view? a left lafteral?
Definition
-pylorus
-fundus
Term
What is a common artifact on stomach rads that is often mistaken for a mass?
Definition
-fluid pooling in the pylorus
Term
Caudal border of stomach should not extend past __ vertebra.
Definition
L4
Term
What can you measure on ultrasound but NOT radiography?
Definition
-thickness of stomach wall
Term
What is the purpose of a stomach endoscopy?
Definition
-to visualize the lumen of the stomach and collect biopsies
Term
Definition: Cardia of the stomach
Definition
-where the stomach attaches to the esophagus
Term
What is the incisura?
Definition
-the fold in the stomach
Term
What is the difference b/n obese and thin animals' SI location?
Definition
-more centrally located in obese animals
Term
The proximal duodenum has a (fixed/fluid) position due to the ______.
Definition
-fixed
-hepatoduodenal ligament
Term
True or False: The SI is of uniform diameter.
Definition
-TRUE
Term
In dogs, the width of the SI is nor more than 2 x width of __ vertebral body. In cats, it is __ vertebral body.
Definition
-dogs: L2
-Cats: L4
Term
What is the main purpose of a SI ultrasound as opposed to a SI rad?
Definition
-can accurately measure wall thickness
Term
What are the layers of the SI on ultrasound?
Definition
-Muscle (black) => mucosa (black => lumen (white => submucosa (white) => serosa (white)
Term
If GI is present, the SI wall will be > __mm thick.
Definition
5
Term
Definition: intussusception
Definition
-inversion of one portion of an intestine in another (looks like a bullseye on ultrasound)
Term
True or False: Like in an ultrasound, you can determine wall thickness of the SI in an endoscopy.
Definition
-FALSE, can only see any irregularities of the wall (cannot access jejunum)
Term
What are the components of the LI?
Definition
-cecum, ascending colon, transverse colon, descending colon, and rectum
Term
Is the colon thinner or thicker than SI? Is it layered as well?
Definition
-thinner
-yest it is layered
Term
How does the ileum appear on an ultrasound?
Definition
-wagon wheel appearance on cross-section
Term
Is the colon normally smooth or have villi like the SI?
Definition
-smooth
Term
What is the purpose of laparoscopy?
Definition
-visualize and bipsy organs of GI tract that do not have a lumen (liver, pancreas, and mesenteric lymph nodes)
-can obtain full thickness biopsied of small bowel and perform some minor procedures
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