Flashcards in Michelle GI Deck (63)
criteria for traveller's diarrhoea?
at least 3 losse/watery stools in 24hrs +/- abdo cramps, fever, nausea, vomit or blood in the stool
most common cause of traveller's diarrhoea?
classic staph aureus picture?
vomiting 1-6 hrs after eating contaminated leftovers
classic bacillus cereus picture?
ill 1-6 hrs after eating non-refrigerated rice
classic E. Coli picture?
ill 12-48 hrs after ingesting food
peak diarrhoea 7-10 days after
classic clostridium perfringens picture?
ill 6-24 hrs (usually between 10-12) after ingesting re-heated gravy or poorly refrigerated food
only lasts 24 hrs
classic salmonella enterica picture?
ill 12-48 hrs after poultry, egg, poor sanitation/water
how is salmonella enterica infection treated?
usually self limiting
ceftriaxone or ciprofloxacin if severe
classic shigella picture?
"3 day history of dysentery"
diarrhoea for 1-9 days
how is shigella treated?
classic campylobacter picture?
Ill 48-72 hrs after contact
flu like symptoms first
can mimic appendicitis
farm animals, raw milk, poultry, bad food prep
complication of campylobacter infection?
guillian barre syndrome
how is campylobacter treated?
usually self limiting
ciprofloxacin if systemic (flu like)
classic giardiasis picture?
ill 7 days after swimming in contaminated pond/swimming pool
how is giardiasis treated?
classic salmonella typhi picture?
Flu and diarrhoea up to 3 weeks after travel to india/asia
what are some complications of salmonella typhi?
how is salmonella typhi treated?
ceftriaxone (if sepsis)
definition of intestinal failure?
inability to maintain adequate nutrition or fluid status via intestines due to:
- congenital defect
- surgical resection
type 1 intestinal failure?
can be post op or paralytic ileus
treatment for type 1 intestinal failure?
often self limiting
fluid and electrolytes
PN if cant oral or enteral feed
type 2 intestinal failure?
< 4 weeks duration
can be due to:
- abdo surgery complications
treatment for type 2 intestinal failure?
PN +/- enteral feeding
HDU or ITU
type 3 intestinal failure?
chronic but stable
treatment for type 3 intestinal failure?
home PN feeding
may need intestine transplant or bowel lengthening
what are the 3 brush border enzymes and what are they made of?
maltase = glucose + glucose
Sucrase = glucose + fructose
Lactase = Glucose + galactose
what is rosving's sign?
push on LLQ causes pain in RLQ
sign of appendicitis
calluses on back of hands due to induced vomiting
sign of bulimia nervosa
what can long term laxative use cause?