Shared Flashcard Set

Details

GI Drugs
Key Concepts
10
Nursing
Undergraduate 1
02/20/2012

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Cards

Term
What are the DEFENSIVE factors that prevent peptic ulcer disease?
Definition
Mucus, Bicarb, blood flow, prostoglandins
Term
What are the AGGRESSIVE factors that cause peptic ulcer disease?
Definition
h. pylori, pepsin, gastric acid, NSAIDS, smoking
Term
What is the role of h pylori in PUD?
Definition
a gram neg bac that evades stomach acid by hiding btw the mucus layer and the cells in stomach and duodenum
Term
What are the goals fo drug therapy in PUD?
Definition
Prevention, alleviate sx, promote healing, prevent complications
Term
What are the 4 classes of anti-ulcer drugs used to treat PUD?
Definition
Antibiotics, antisecretory agents (H2R's, PPI's (proton pump ihi)), Mucosal Protectants, Antacids
Term
What receptors and compounds involved in gastric acid stimulation and secretion in the parietal cell?
Definition
Muscarinic (ACh), H2 (HIST), Prostoglandin (PG's), Gastrin
Term
Cimetidine (Tagamet)
Definition
H2RA [Gastric duodenal ulcers, GERD, Z-Ellison Synd, Aspiration Pneumonitis, Heartburn, Acid Indg, Sour Stomach] Antiadndrogenic effects like gynecomastia, confusion/hallucinations, Pneumonia
Term
Proton Pump Ihi (Omeprazole) Enteric Coated.
Definition
Gastric and duodenal Ulcers and GERD--PRODRUG, irrev ihi K/H, ATPase pump that generates all gastric acid 97% w/in 2 hrs [Headache, diarrhea, nausea, vomiting]
Term
Sucralfate (class not specified?)
Definition
Forms protective barrier allowing ulcer to heal (up to 6 hrs) [acute ulcers (st tx] administer 30-60' before eating, not absorbed (good for liver diseased pts) {Constipation} Can bind to other meds.
Term
What are the side effects of Mg in antacid? Aluminum?
Definition
Mg=diarrhea, Al=constipation
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