Chamberlain College of Nursing NURSING FUNDAMENTA Gastrointestinal Bleed Pathophysiology Acute upper GI bleeding may originate in the esophagus, stomach, and duodenum. Upper GI bleeding can be categorized based upon anatomic and pathophysiologic factors: ulcerative, vascular, traumatic, iatrogenic, tumors, portal hypertension. The commonest causes of acute upper GI bleeding ...[Show More]
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