Rome III criteria for IBS
At least 3 days/mo in the last 3 mo., with symptoms onset at least 6 months prior to diagnosis, with 2+ of the following:
improvement with defecation
onset assoc. w/ change in frequency of stool
onset assoc. w/ change in form of stool
3 characteristics of IBS
altered GI motility (hypermotility)
visceral hyperalgesia
psychopathology
ABCs of IBS
Abd discomfort
Bloating
Change in habits/consistency
when is colonoscopy indicated for IBS?
pt > 50 y/o
positive family history
how much fiber do you supplement for IBS
20-30 g/day
definition of constipation (3)
2 or fewer stools/week
hard stools
feelings of incomplete evacuation
2 types of constipation
slow transit constipation
pelvic floor dysfunction
definition of diarrhea
increased liquidity or decreased consistency of stools
diffuse, watery diarrhea w/ abd cramping, N/V, fever
noninflammatory
fever, bloody diarrhea, LLQ pain, tenesmus
inflammatory diarrhea
usual causes of noninflammatory diarrhea? (3)
norovirus
adenovirus
giardia
usual causes of inflammatory diarrhea (5)
Shigella Salmonella Campy E. coli C. diff
when do you order a rectal swab culture
proctitis & rectal discharge
HUS triad
acute renal failure
microangiopathic hemolytic anemia
thrombocytopenia
rotavirus duration
< 1 wk
campy incubation & length
24-72h
Sx last about a week
which vomiting disease mimics appendicitis?
Campy
profuse bloody diarrhea with fever (2)
campy
Shigella
profuse bloody diarrhea w/o fever
E. coli
what tx will shorten the course of campy
erythromycin
what tx will shorten the course of shigella
Bactrim
