Gastroenteritis Flashcards
Define dysentery
intestinal inflammation, blood and pus in stool, with abdo pain and fever
What are the big 3 pathogens that cause GI infection?
salmonella, campylobacter, e.coli
Two clinical features of salmonella?
watery diarrhoea, vomiting is common, fever sometimes occurs, symptoms last for 2-7 days
What is the most common cause of renal failure in children?
e.coli 0157 infection
Which CNS disorder is associated with campylobacter infection?
Guillain-Barre syndrome- rare
Two clinical features of campylobacter infection?
bloody diarrhoea, cramping abdominal pain, NO vomiting, fever
Microbiological description of salmonella, e.coli, and campylobacter?
gram negative bacili
Which type of e.coli is the major causes of travellers diarrhoea?
enterotoxigenic e.coli
Which dangerous syndrome can arise from e.coli O157 infection?
haemolytic uraemic syndrome
Two featues of haemolytic uraemic syndrome?
microangiopathic haemolytic anaemia, thrombocytopaenia, acute renal failure
Which bacterium causes gastroenteritis from reheated rice?
bacilus cereus
Three differentials for gastroenteritis
campylobacter salmonella e.colio 0157 norovirus rotavirus giardiasis
Two general management points for gasteroenteritis patient?
- rehydration
- Abx (little utility usually)
- Infection control (think of yourself in the hospital with e.coli!)
Three non-infectious causes of diarrhoea?
IBD bowel cancer sepsis diverticular disease chronic pancreatitis HIV infection
