Term
| Where is the fundus of the stomach located anatomically? |
|
Definition
-lest side of the abdomen
-dorsal |
|
|
Term
| Where is the body of the stomach located anatomically? |
|
Definition
-central-left aspect of abdomen
-ventral |
|
|
Term
| Where is the pylorus of the stomach located anatomically? |
|
Definition
-right aspected of abdomen
-ventral/mid |
|
|
Term
Does the fundus or pylorus/body have gas in it in the following views:
a) right lateral
b) left lateral
c) VD
d) DV |
|
Definition
a) fundus
b) pylorus/body
c) pylorus/body
d) fundus |
|
|
Term
| How thick should the normal stomach wall be? Can we evaluate this on survey radiographs? |
|
Definition
-3-5mm
-cannot evaluate this on survey radiographs |
|
|
Term
| How does the location of the stomach differ in a dog and cat? |
|
Definition
| -cat is more on the left side |
|
|
Term
| How will hepatomegaly affect the location of the stomach? |
|
Definition
|
|
Term
| How will microhepatica affect the location of the stomach? |
|
Definition
|
|
Term
| How will gastric dilation volvulus affect the location of the stomach? |
|
Definition
| -changes the location of the pylorus and fundus |
|
|
Term
| Certain medications can increase the opacity of GI contents. Give a few examples. |
|
Definition
-calcium
-magnesium
-aluminum
-bismuth
-cilicate |
|
|
Term
| What does uremic gastropathy cause? |
|
Definition
| -stomach wall mineralization |
|
|
Term
| What does heterobilharzia infection cause? |
|
Definition
| -stomach wall/visceral mineralization |
|
|
Term
| Normal gastric emptying times for normal ingesta range about __-__ hours. |
|
Definition
|
|
Term
| Gastric emptying time for liquid barium with a properly prepared abdomen and at proper upper GI dose is what in a cat or dog? |
|
Definition
-4h in a dog
-90 min in a cat |
|
|
Term
| Which radiographic view aids in the delineaiton of a pyloric foreign body? |
|
Definition
|
|
Term
| What are the 3 kinds of gastrograms? |
|
Definition
-pneumogastrogram: negative contrast
-double contrast gastrogram
-upper GI |
|
|
Term
| What is a gastric dilation? What are some possible causes? |
|
Definition
-stomach is enlarged an filled but retains its normal positioning
-idiopathic, anesthesia, erophagia, motility disorders, pain, food |
|
|
Term
| How does a gastric dilation volvulus affect the position of the stomach? What about the spleen? |
|
Definition
-fudus and greater curvature rotate ventrally and towards the right while the pylorus rotates dorsally and towards the eft
-spleen follows the greater curvature of the stomach b/c of the gastrosplenic ligament |
|
|
Term
| Which kinds of dogs are predisposed to GDV? |
|
Definition
|
|
Term
| Which radiographic view is best for identifying a GDV? Some common names for its appearance? |
|
Definition
-right lateral
-Double Bubble, Popeye arm, Smurf Hat |
|
|
Term
| What are some radiographic signs of gastric necrosis? |
|
Definition
-pneumatosis
-pneumoperitoneum |
|
|
Term
| What are some possible causes of an acute pyloric obstruction? |
|
Definition
-GDV
-obstructing foreign body |
|
|
Term
| What are some of the possible causes of a chronic pyloric obstruction? |
|
Definition
-hypertrophic pyloric stenosis
-mucosal hypertrophy
-pylorospasm
-fibrosis
-inflammation
-neoplasia
-pythiosis |
|
|
Term
| What does a pyloric obstruction appear radiographically? |
|
Definition
-fluid distended stomach
-frequent vomiting may cause a pyloric obstruction to appear as a normal stomach
-electrolyte imbalance may be present |
|
|
Term
| What are some additional studies we use to ID a pyloric obstruction? |
|
Definition
-upper GI studies
-ultrasound |
|
|
Term
|
Definition
-mass lesion projecting into the gastric lumen
-positive contrast may depict a filling defect
-often associated with gastric ulcers
-altered shape of the stomach
-dec compliance or loss of regional motility |
|
|
Term
| What is the most common gastric neoplasm of the cat? Where is it commonly located? |
|
Definition
-adenocarcinoma
-in the pylorus and greater curvature |
|
|
Term
| What is the most common gastric neoplasm in the cat? |
|
Definition
|
|
Term
| How does acute gastritis appear radiographically? |
|
Definition
| -usually no radiographic abnormalities are identified |
|
|
Term
| How does chronic gastritis appear radiographically? |
|
Definition
-thickened rigid rugal folds
-rugal folds mroe numerous in the pylorus
-thickened stomach wall (easier to diagnose with contrast studies) |
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