4: Gastroenteritis clinical management Flashcards Preview

Gastrointestinal Week 5 2016/17 > 4: Gastroenteritis clinical management > Flashcards

Flashcards in 4: Gastroenteritis clinical management Deck (36)
Loading flashcards...
1

What are the core clinical symptoms of gastroenteritis?

Fever

Abdominal pain

Diarrhoea +/- blood

2

Acute diarrhoea lasts less than ___ weeks and is likely to be due to ___.

two , infection

3

Chronic diarrhoea lasts for more than ___ weeks.

four

4

What else can cause acute diarrhoea?

Medication

Laxatives

Toxins

Ischaemic colitis

5

What is gastroenteritis?

Inflammation of the stomach / small intestine / large intestine

6

90% of gastroenteritis is due to ___.

infection

7

In who is acute gastroenteritis common?

Children

Elderly

Immunocompromised

8

Gastroenteritis is commonly caused by poor ___ hygiene.

food

9

Which class of drug inhibits acid secretion and makes patients much more susceptible to GI infection?

PPIs (omeprazole, lanzoprazole)

H2 antagonists (cimetidine, ranitidine)

10

Which organisms cause food poisoning within 1-6 hours after the ingestion of contaminated food?

Staph. aureus

Bacillus cereus

11

Which organisms produce gastroenteritis 1-2 days after eating contaminated food?

Campylobacter

C. perfringens

Salmonella

E. coli 0157

12

Which organism produces enteric fever?

Salmonella typhi and paratyphi

13

Are enterotoxigenic and enterohaemorrhagic E. coli the same thing?

No

obviously

14

Which organism can cause traveller's diarrhoea in foreign countries?

E. coli

usually enterotoxic, not enterhaemorrhagic

15

In which animal is E. coli 0157 common?

Cattle

16

Which symptoms are seen in enterohaemorrhagic E. coli infection?

Abdominal pain

Little/no fever

Watery, bloody diarrhoea

17

Which syndrome is a complication of E. coli 0157 infection?

HUS

see printout for how to recognise it

18

Which pets carry Salmonella spp?

Reptiles

this is why it's important to ask about pets

19

What animal products may contain Salmonella?

Poultry

Eggs

20

Other than Salmonella, which pathogen can be found in poultry?

Campylobacter jejuni

21

Which pathogen is the most likely cause of infective gastroenteritis?

Campylobacter jejuni

22

In which way does Campylobacter infection mimic appendicitis?

Central abdominal pain

23

What is the main symptom of Campylobacter infection?

Bloody diarrhoea

24

What syndrome, associated with paralysis, is associated with Campylobacter infection?

Guillain-Barre syndrome

25

slide 29 - left colon doesn't have haustral markings, very indented --> mucosal oedema (thumbprint sign?)

26

What are some non-infective causes of bloody diarrhoea?

IBD

Malignancy

Ischaemia

27

Which type of gastroenteritis penetrates the bowels into the blood?

Enteric fever / Typhoid fever

28

What are the symptoms of enteric fever?

Abdominal pain

Fever

Constipation but little diarrhoea

29

What causes enteric fever?

Salmonella typhi and paratyphi

30

Which test is used to diagnose enteric fever?

Blood cultures since enteric fever penetrates into the blood