Flashcards in Gastroenteritis Deck (26):
What is the best test to confirm a Dx of Giardiasis?
Wat is the best Tx for Giardia?
What is the Tx for Cryptosporidium?
What is the Tx for Isospora?
What is the Tx for B.cereus or staphylococcal gastroeneteritis? Why?
no Tx; mediated by toxins and resolve spontaneously
Which organisms cause gastroenteritis w/ RBCs and WBCs in the stool?
Salm, Shig, Campylobacter, Yersinia, E. coli, Vibrio parahemolyticus
What is the Tx for mild gastroenteritis caused by Salmonella, Shigella, Campylobacter, E. coli, Vibrio parahemolyticus, or Yersinia?
What is the Tx for gastroenteritis caused by salm, Shig, Yersinia, Campylobacter, E. coli, or Vibrio parahemolytica that is severe (accompanied by pain, fever, blood, abd. tenderness)?
What don't you give in the case of HUS?
Don't give Abx and plts!!
Why don't you give Abx in HUS?
cell lysis --> release of Shiga-like toxin
Why don't you give plts in HUS?
Which people are more prone to infection w/ Vibrio vulnificus?
w/ liver disease
What can be seen on PE in liver disease pts w/ V. vulnificus infection?
bullous skin lesions
What are the most likely causes (3) for bloody diarrhea and a fever 1 hour after eating contaminated food?
Salm, Shig, Camp
What are 3 ways in which IBS differs from other forms of chronic diarrhea?
1. alternates w/ constipation
2. predominantly PAIN
3. no Sx @ night
What drug is used to treat Diarrhea-predominant IBS?
What is the mech of alosetron?
5-HT (serotoin) antagonist
What drug is used to treat constipatrion predominant IBS?
What is the mech of action of Tegaserod?
What should be used to treat all IBS pts?
fiber and bulking agents
What kind of drugs are hyosayamine and dicyclomine, also used to tx IBS?
What kind of anti-depressants are used to tx IBS?
Intermittent diarrhea, flushing, wheezing, and/or cardiac problems (tricuspid insufficiency, pulmonic stenosis).
What do the neurotransmitters do to the right heart that causes tricuspid regurg and pulm stenosis?
What is the test for carcinoid syndrome?
5-HIAA level in urine