GI Flashcards
GI Review
Peptic ulcer recurrent rates
85% if H. pylori not removed, 5-15% recurrence if it is removed
bismuth, metronidazole, tetracycline, PPI
Quadruple H. pylori Tx
PPI, amoxicillin or metronidazole, clarithromycin
Triple regiment
worsening dementia symptoms
anticholinergic drugs like Dicyclomine (Bentyl) can cause
H1
mediate allergic responses
H2
stimulate gastric acid secretion
H3
CNS neurotransmission
H4
mast cell chemotaxis
Cimitidine, Ranitidine, Nizatidine, Famotidine
H2s from lowest to highest
inhibits CYP 450
Cimetidine drug interactions
PPI
most powerful HCI secretion suppressors
C. diff, low levels of magnesium, osteoporosis, cv disease
Long term PPI issues
suppress acid production, stimulate mucin production, increase bicarb, increase mucosal blood flow
gastric effects of prostaglandins
misoprostol
prostaglandin agonist contraindicated in pregnancy
aluminum hydroxide, magnesium hydroxide, calcium carbonate
antacid tablets
renal failure
antacid tablets are contraindicated in ___