diarrhea Flashcards
(24 cards)
common causes of inflammatory diarrhea
- salmonella (MC)
- shigella
- campylobacter
- invasive e.coli
common causes of non-inflammatory diarrhea
-vibrio
enterotoxogenic e coli
how to tx campylobacter
- hydration, ABx for patients with moderate to severe disease and in immunocompromised patients
- avoid antimotility (diphenoxylate, loperimide)
2nd most common cause of bacterial diarrhea in the U.S
Infection acquired from ingestion of contaminated food (eggs, cheese, fruit, poultry), water, drugs
non-typhoidal salmonella
nausea, vomiting, fever, watery diarrhea, abd pain after 6-72 hrs of infection
shigella is…..
highly infectious
dx via stool culture and blood culture
tx bactrim/quinolones
MC vibrio infection in US
MCC death
V parahemolyticus
V. vulnificus
explosive watery diarrhea
vibrio
tx-doxy quinolones in severe illness
traveler’s diarrhea
Enterotoxigenic E coli (ETEC) doxycycline,
bactrim or fluoroquinolones
childhood diarrhea
Enteropathogenic E coli (EPEC)
hemorrhagic colitis or HUS
Enterohemorrhagic E coli (EHEC)
no anbx
giardia tx
metronidazole
E. histolytica tx
iodoquinol
metro
cryptosporidiosis tx
immunosuppresed nitazoxanide
MC viral GI bug
norovirus
substantial portion of cases of gastroenteritis in children aged 6 months to 2 years
rotavirus
high levels of ( ) indicate parasites
eosinophils
guinea worm disease
allergic manifestations
worm may protrude through skin
Also known as bilharzias, bilharziasis, or snail fever, it is acquired through exposure to infected fresh water
schistosomiasis
tx praziquantel
syphillus testing
RPR-screen
FTA-confirm/previous
1 syphillus
painless chancre
2 syphillus
morbiliform erythematous rash on palms and soles
3 syphillus
condyloma lata
gumma
CV
CNS
1 syphillus tx
2 tx
3 tx
PNC G 1 IM
PNC G 3 IM
PNC G procaine IV 17-21 days
for neuro add probenacid 17-21 days
RMSF
HA, rash, myalgia, abdominal pain
tx w/doxy or chloramphenicol in pregnant
