Gastrointestinal infections

Question 1

E.coli infection

Answer 1

most common cause of travellers Diarrhea
E.coli 0157- Shiga toxin producing
associated with haemolytic uremic syndrome

Question 2

C.dif infection

Answer 2

most common health care associated illness
increasing incidence

highly associated with clindamycin, but not most common as not commonly prescribed

Treat with oral vancomycin or metronidazole

vancomycin has more efficacy in severe case

consider fecal transplant if recurrent cases

no role for documenting clearance of c.dif

Question 3

Viral gastroenteritis

Answer 3

more common than bacterial
treatment is supportive

most significant virus is norovirus

Question 4

Giardia infection

Answer 4

parasite

violent diarrhoea, excess gas, stomach or abdominal cramps, upset stomach, and nausea.

Person-to-person transmission accounts for the majority of Giardia infections and is usually associated with poor hygiene and sanitation.