Infectious diarrohea

Question 1

Gastroenteritis

Answer 1

3 plus loose stools/day

accompaying features

Question 2

Dysentery

Answer 2

Large bowel inflam

bloody stools

Question 3

Travel related infection

Answer 3

Salmonella

Question 4

Person to person spread

Answer 4

Norovirus

Question 5

Contamination food

Answer 5

Campylobacter

Question 6

Travellers diarrhoea

Answer 6

Enterotoxigenic E coli

Question 7

Investigations

Answer 7

stool sample
blood culture
renal function
blood count
abdoxray/ct

Question 8

Campylobacter gastroenteritis

Answer 8

upto 7 days incubation
abdo pain can be severe
post infection sequalae= guillain barre syndrome or reactive arthritis
commonest cause bacterial food posioning in uk- chickens, milk, puppies

Question 9

Campylobacter gastroenteritis species

Answer 9

C. jejuni (90%)

C. coli

Question 10

Salmonella gastroenteritis

Answer 10

symptoms onset usually <48hrs after exposure
diaarhoea usually <10 days
post infective irritable bowel common

Question 11

Salmonella gastroenteritis species

Answer 11

S. enterica
S. bongoria
S. typhimuria and enterica in UK commest

Question 12

E.coli

Answer 12

contaminated meat or person to person

frequent bloody stools

Question 13

Salmonella gastroenteritis species

Answer 13

E.coli O157 stays in gut and releases shiga rtoxin into blood
causes haemolytic uraemic syndrome (haemolytic anamia and renal failure)

Question 14

C.diff treatment

Answer 14

Treat w metridazole, oral vanc
fidoxomicin
stool transplant
surgery?

Question 15

Most common foodborne pathogen

Answer 15

Campylobacter

Question 16

Common pathogen for hosp admissions

Answer 16

Salmonella