Stomach Flashcards
What is the thickness of the stomach on US in a dog?
3-5mm
How much room air should you give for a pneumogastrography?
6-12ml/kg
OR
make pet drink a carbonated drink
Angular notch is what?
The sharp angel in the lesser curvature between the antrum and the body
How much barium should be administered before a positive contrast gastrography?
8-12ml/kg - small dog
5-7ml/kg - medium dog
12-20 ml/kg in big dog
When do you take rads for a gastrography?
0,15,30,45min, 1h, 2h, 3h, 4h or until complete emptying
What is the risk of iodinated contrast gastrography?
Aspirate and pulmonary edema
Gastric empty should start by what time?
15min
How long can normal gastric emptying take?
7-15 hours
What is the thickness of the stomach on US in a cat?
2-5mm
What modality is considered the gold standard for gastric emptying?
Snintigraphy
What is a gastrothorax?
Stomach in the thorax and fills with air causing pressure similar to tension pneumothorax
Gastroesophageal intussusception is seen in what breed?
GSD
Gas within the gastric wall is call?
pneumatosis
pneumonitis - if infectious causes
Chronic pyloric obstruction will retain what type of opacity while acute will obtain another?
Chronic - fill with fluid
Acute - filled with air
Differentials for chronic pyloric obstruction
hypertrophic pyloric stenosis pylorospasm inflammation fibrosis neoplasia mucosal antral hypertrophy
Why should we always take abdominal radiographs for IMHA?
Look for pennies
Look for neoplasia
Radiographic sign in the thorax of a GDV that may be helpful in diagnosing 360 degree GDV?
Tiny vena cava.
Example of a metal that is not metal opaque?
Aluminum - will be lucent
Dachshund with disc prolapse are predisposed to what?
Gastroduodenal ulcers
What is the beak or string sign?
Signs for pyloric obstruction with a barium study
Gastric ulceration recognized on radiographs is likely due to?
Neoplasia
If a reason for a gastric bleed is not found on US or rads.. what other imaging modality can you use?
Scintigraphy - Tc99m labelled sulfur or RBCs
Most common malignant gastric tumor in the dog?
Adenocarcinoma
Non-neoplastic causes for lose of layering?
Infectious - pythiosis, zygomycosis
Eosinophilic gastritis
What is exercise induced gastritis?
High morbidity and mortality in working dogs
Mineralization of the gastric wall DDx
Renal failure
Prim Hyperparathyroid
Heterobilharzia
