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6 Cards in this Set
- Front
- Back
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**Muscularis (and GES) species difference
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Dog: striated muscle throughout
Cat: smooth muscle in distal 1/2-1/3, rest skeletal |
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Esophageal phase of swallowing
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-primary and secondary peristalsis
-afferent=IX, X; tractus solitarius; efferent=X to somatics (dog) or parasympathetic (cat) |
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Esophagitis treatment
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-cisapride (better but oral), Reglan
-PPI>H2 blocker - +/-sucralfate, antibiotics -balloon or bougienage if stricture, ~surgery |
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Megaesophagus
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-usually generalized in dogs
-congenital (min. schnauzer and wire hair fox terrier), acquired idiopathic or acquired secondary (MG, Addisons, dysautonomia, lar par) |
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Spirocerca lupi
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-ingestion of L3 in beetle
-penetrate gastric mucosa and migrate through arteries to aorta then migrate to esophagus where develop into adult -granuloma in caudal esophagus, aortic thrombosis/aneurysm, could become neoplastic -chronically could lead to HO, diskospondylitis -caudodorsal mediastinal mass on thoracic rads in ~40% -Tx: surgery, doramectin |
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Dysautonomia
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-young, free roaming dogs; cats
-idiopathic, generalized autonomic neuropathy -Dx: definitive=histopath; miosis w/pilocarpine, neg ART, no flare w/intradermal histamine |
