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Flashcards in Michelle GI Deck (63)
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1

criteria for traveller's diarrhoea?

at least 3 losse/watery stools in 24hrs +/- abdo cramps, fever, nausea, vomit or blood in the stool

2

most common cause of traveller's diarrhoea?

E. coli

3

classic staph aureus picture?

vomiting 1-6 hrs after eating contaminated leftovers

4

classic bacillus cereus picture?

ill 1-6 hrs after eating non-refrigerated rice

5

classic E. Coli picture?

ill 12-48 hrs after ingesting food
Travel
Dodgy BBQ
peak diarrhoea 7-10 days after

6

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

7

classic salmonella enterica picture?

ill 12-48 hrs after poultry, egg, poor sanitation/water

8

how is salmonella enterica infection treated?

usually self limiting
ceftriaxone or ciprofloxacin if severe

9

classic shigella picture?

"3 day history of dysentery"
diarrhoea for 1-9 days

10

how is shigella treated?

ciprofloxacin

11

classic campylobacter picture?

Ill 48-72 hrs after contact
flu like symptoms first
can mimic appendicitis
farm animals, raw milk, poultry, bad food prep

12

complication of campylobacter infection?

guillian barre syndrome

13

how is campylobacter treated?

usually self limiting
ciprofloxacin if systemic (flu like)

14

classic giardiasis picture?

ill 7 days after swimming in contaminated pond/swimming pool

15

how is giardiasis treated?

metronidazole

16

classic salmonella typhi picture?

Flu and diarrhoea up to 3 weeks after travel to india/asia

17

what are some complications of salmonella typhi?

bones
joints
encephalopathy
GI perforation

18

how is salmonella typhi treated?

azithromycin
ceftriaxone (if sepsis)

19

definition of intestinal failure?

inability to maintain adequate nutrition or fluid status via intestines due to:
- obstruction
- dysmobility
- congenital defect
- surgical resection
- disease

20

type 1 intestinal failure?

days/weeks duration
can be post op or paralytic ileus

21

treatment for type 1 intestinal failure?

often self limiting
fluid and electrolytes
PN if cant oral or enteral feed

22

type 2 intestinal failure?

< 4 weeks duration
can be due to:
- fistula
- sepsis
- abdo surgery complications

23

treatment for type 2 intestinal failure?

PN +/- enteral feeding
HDU or ITU

24

type 3 intestinal failure?

chronic but stable

25

treatment for type 3 intestinal failure?

home PN feeding
may need intestine transplant or bowel lengthening

26

what are the 3 brush border enzymes and what are they made of?

maltase = glucose + glucose
Sucrase = glucose + fructose
Lactase = Glucose + galactose

27

what is rosving's sign?

push on LLQ causes pain in RLQ
sign of appendicitis

28

russel's sign?

calluses on back of hands due to induced vomiting
sign of bulimia nervosa

29

what can long term laxative use cause?

hypokalaemia

30

list some retroperitoneal structures ("SAD PUCKER")

suprarenal (adrenal) gland
Aorta/IVC
Duodenum
Pancreas
Ureters
Colon (ascending and descending)
Kidneys
Oesophagus
Rectum