Overview : Gastric outflow obstruction (GOO) is a condition characterized by a partial or complete blockage at the pylorus or proximal duodenum, preventing the normal passage of stomach contents into the small intestine it is a common life-threatening condition in dogs and cats and needs immediate intervention , usually caused by lodgment of foreign body
GOO often present with a continues or intermittent vomiting, Vomiting is frequently post-prandial and may occur several hours after meals, indicating delayed gastric emptying. The vomitus often contains undigested food or bile-stained fluid, and insome cases hematemesis).
Causes varies from simple stenosis to neoplastic cases here we due to foreign bodies causing the obstruction
Clinical signs varies :
Regurgitation of undigested food - Weight loss - Lethargy Dehydration - Anorexia or inappetence - Hematemesis (if ulceration is present)
Abdominal discomfort or distension
In severe cases, electrolyte imbalances
Abdominal radiographs: May show a gas--distended stomach with clogging clump
Abdominal ultrasound: was consistent of GOO due to hairball with fluid accumulation in the stomach
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