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18 Cards in this Set

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Enterotoxigenic E. coli
(ETEC)
Watery diarrhea, vomiting, abdominal cramps
Vibrio Cholera
Watery stool, 'rice water'
(NON BLOODY)
-also= dehydration, muscle cramps
Rota virus
profuse watery diarrhea, vomiting, fever, abdominal pain, major cause of diarrhea in young children, more common in the winter
Giardia
EXPLOSIVE watery diarrhea, abdominal cramps, vomiting
-later= fatty stool, bloating, flatulence, weight loss
Norwalk virus
**common on cruise ships
Marked nausea and vomiting
-little diarrhea
HINI virus (swine)
fever, chills, headache, upper respiratory symptoms, myalgias, arthralgias, fatigue
-vomiting + diarrhea also common
Entero-hemorrhagic E coli
(EHEC)-0157:H7
BLOODY diarrhea, little or no fever
Shigella
BLOODY diarrhea w/ mucus & pus (dysentery)
-fever, nausea, stomach cramps, seizures
Campylobacter
BLOODY diarrhea w/ pus
Entamoeba hystolitica
BLOODY diarrhea w/ pus (dysentery)
-vomiting, abdominal pain, fever, severe- abscesses involving the liver
Salmonella NONtyphi
Gastroenteritis= diarrhea, abdominal pain, fever, vomiting, can progress to dysentery
Salmonella typhi
Little or NO diarrhea (maybe constipation), fever, headache, bradycardia, lymphadenopathy, splenomegaly, rose spots on chest + abdomen, reactive arthritis
[test: lab culter, widal test unreliable]
AIDS diarrhea-protozoa/helminths
-cryptosporidium
-micosporidium
-giardia
AIDS diarrhea-bacterial
-mycobacterium avium intracellulare
-salmonella
-shigella
-clostridium difficile
AIDS diarrhea-viral
CMV
AIDS diarrhea fungal
Candida
How can you calculate the anion gap?
Na - (Cl + HCO3)=
8-12mEq/L is normal
What are some causes that should be considered if the anion gap is increased? (less than 8.. towards negative values)
MUD PILES
M=methanol U=uremia
D=DK P=propylene glycol
I=isoniazid L=lactic acidosis
E=ethylene glycol S=salicylates