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A D V E R T I S E M E N T | |||||
Lower Gastrointestinal Bleed Images |
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Gastrointestinal tract. |
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Relative incidence of bleed source, lower vs. upper GI. |
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Upper endoscopy, flexible sigmoidoscopy. |
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Celiac trunk, superior mesenteric artery, inferior mesenteric artery. |
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Inferior mesenteric artery. |
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Superior mesenteric artery. |
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Celiac trunk. |
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Muscular weakness created by vessels penetrating the muscular wall of the colon. |
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Muscular weakness created by vessels penetrating the muscular wall of the colon (labeled). |
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Colonic diverticulum. |
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Fecolith within diverticulum. |
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Pressure from fecolith erodes adjacent vessel. |
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Erosion into the gastroduodenal artery by a posterior penetrating duodenal ulcer. |
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Gastroduodenal artery and hepatic arteries. |
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Right hepatic artery arises from celiac trunk, normal (70%). |
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Right hepatic artery arises from celiac trunk, variation (10-15%). |
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Tortuosity of splenic artery, a common variation. |
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Splenic artery in relation to upper abdominal aortic branches. |
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Collaterals between mesenteric vessels. |
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This page was last modified on 5/1/1999. A D V E R T I S E M E N T
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