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Chapter 20, Patho, Digestive System, peptic ulcers

The flashcards below were created by user tville01 on FreezingBlue Flashcards. Home Mobile Quiz crater like lesions of the mucous membrane ulcers Ulcers of the upper GI tract peptic ulcers What can damage the mucosal barrier inadequate blood supply refluxed bile asprin NSAID Alchol What is the major causitive agent of peptic ulcers Helicobacter pylori (bacteria) describe Helicobacter pylori gram negative, microaerophilic curved rod motile(twists) where does Helicobacter pylori colonize mucosal layer of stomach what is created around Helicobacter pylori and what is it's function alkaline halo protects bacteria from gastric acid allows bacteria to survive in stomach how is the alkaline halo produced bacteria make enzyme Urease catalyzes hydrolisis of urea Urea becomes ammonia & CO2 ammonia & CO2 create alkaline halo how does the human body react to Helicobacter pylori inflammatory response leads to gastritis how is Helicobacter pylori transmitted oral-oral fecal-oral contaminated water unsanitized cooking what are the signs of peptic ulcers epigastric pain and burning pain-food-relief nausea vomiting heartburn weight gain(milkshakes) anorexia hemorrhage asymptomatic what could usually be the first clinical manifestation of peptic ulcers hemorrhage or perforation what diagnostic test are used to confirm peptic ulcers UGI Endoscopy biopsy(culture bacteria, chech for urease) blood test(H. pylori antibodies) Urea breath test stool test(H.pylori, or HpSA-stool antigen for H. pylori) how is a urea breath test done swallow pytest capsule(has urea) urease will break dowm urea blood carries CO2 & ammonia to lungs breath collected & analyzed what are the complications of peptic ulcers hemorrhage perforation=peritonitis bowel obstruction adhesions Stomach cancer what is the treatment for peptic ulcers 2 week triple therapy explain the triple therapy 2 antibiotics 1 acid suppressor(prilosec) or stomach lining sheild(pepto-bismal) prognosis for peptic ulcers 80-90% cured

Author tville01 ID 154187 Card Set Chapter 20, Patho, Digestive System, peptic ulcers Description Chapter 20, Patho, Digestive System, peptic ulcers Updated 2012-05-16T16:10:19Z Show Answers