Acute Colitis Flashcards by Alice Richards

4 abx with high risk for c.diff

clindamycin
cephalosporins
fluoroquinolones
augmentin

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t/f: all abx carry some risk for c.diff

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2 abx that are moderate risk for c.diff

sulfonamides -> bactrim
macrolides

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4 low risk abx for c.diff

doxycycline
aminoglycosides
metronidazole
vanco

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3 sx of acute colitis

fever
mucoid stools
onset w.in hours

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CT findings of acute colitis

ileal and colonic bowel wall thickening w.o obstruction

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management of inpt acute colitis

fluids: LR 2L
oral rehydration
antiemetics
abx

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abx for cdiff

po vanco
metronidazole

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moa of vanco and metro

inhibit cell wall synthesis

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3 s.e of vanco

redman
ototoxicity
nephrotoxicity

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s.e of metro

disulfram rxn

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what lab needs to be monitored for pt on metro

LFTs in elderly

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doc for salmonella

cipro
alt: bactrim

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when are f.u stool cultures recommended in acute colitis management

pt’s working in industries handling food or pt care

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negative cultures for what 3 organisms are required if stool cultures are needed (food/healthcare workers)

salmonella
shigella
shiga toxin producing e.coli

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how do you know when you’ve adequately rehydrated pt on IVF

adequate urine production

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first line antiemetic for hospitalized pt

zofran 4 mg IV q4 hr

alt: phenergan

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phenergan can be __ toxic (2)

liver
vaso

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2 adverse effects of reglan (metoclopramide)

GI bleed
renal impairment

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empiric abx doc for inpt bacterial colitis

ceftriaxone
OR
levofloxacin

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when should you start abx for bacterial colitis

immediately after stool culture (don’t wait for result -> target after if necessary )

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t/f: most patients w. AKI should be hospitalized

fluid replacement

what 3 food borne bacteria are associated w. bloody diarrhea

e.coli
shigella
campylobacter
+/- salmonella

mc cause of HUS

e.coli

3 sx of HUS

elevated BUN/Cr hemolytic anemia thrombocytopenia

what bacteria causes travelers diarrhea

e.coli (etec)

what bacteria do you think of when you see "rice water stools"

vibrio

what do you think when you see: bloody, water, mucus and pus diarrhea with fever

shigella

what food borne pathogen is associated w. bacteremia

salmonella

what food borne bacteria is associated w. GB and reactive arthritis

campylobacter

what food borne bacteria has a prodrome of fever, HA, myalgia, malaise

campylobacter

giardia presents __ weeks after exposure

1-3

what organism is associated w. toxic megacolon

c.diff

fever is rare with what waterborne pathogen

vibrio

what strain of e.coli is associated w. HUS

0157:H7

what foods is e.coli associated w. (3)

undercooked beef unpasteurized milk/juice cattle

what foods is vibrio associated w. (2)

shellfish - raw oysters water/poor sanitation

how is shigella transmitted (3)

fecal oral/p2p flies inanimate objects

what foods is salmonella associated w. (4)

meat eggs food handlers reptiles

what foods is campylobacter associated w. (3)

sausages hard meats undercooked chicken

mc cause of epidemic waterborne diarrheal dz

giardia

how is giardia transmitted

fecal oral

4 rf for c.diff

abx advanced age previous hospitalization nursing home

tx for e.coli

supportive abx if travelers diarrhea -> cipro

what strain of e.coli is associated w. travelers diarrhea

enterotoxigenic E NOT 0157:h7

abx for vibrio

cipro or doxy

tx for shigella

cipro alt: bactrim/azithro

abx for salmonella

cipro alt: bactrim

abx are rarely indicated for what 3 food borne pathogens

salmonella vibrio e.coli hydration is main tx

abx for campylobacter

cipro alt: azithro

abx for giardia (2)

metronidazole tinidazole

abx for c.diff (3)

oral vanco fidaxamin metro

what pathogen is associated with dysentery

shigella

what bacteria is associated w. cholera

vibrio