Question:
What are duodenal ulcers?
Author: H KAnswer:
PATHOPHYSIOLOGY Increased acid production. ETIOLOGY Helicobacter pylori: A bacterium that produces urease, which breaks down the protective mucous lining of the stomach. 10 to 20% of persons with H. pylori develop PUD. NSAIDs/steroids: Inhibit production of PGE, which stimulates mucosal barrier production
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H K