Enterobacteriaceae Flashcards
Enterobacteriaceae causes what two infections?
Escherichia and Salmonella
where is escherichia coli commensal?
The gut
E.coli is associated with what infections?
Intestinal, UTI, neonatal meningitis and bacteraemia.
Transmission of e.coli
Undercooked, contaminated meat. Unpasteurised daily products, contaminated fruit or veg
Where is e.coli’s natural habitat?
GI tracts of animals
EHEC AKA?
VTEC
Severe e.coli infection is from … what number?
0157
Haemorrhagic colitis side effects
Abdo pain and water diarrhoea
Haemolytic uremic syndrome
Renal failure and bloody diarrhoea
E.coli is more common in who and why?
Females, pregnancy, sex, catheterisation
% of women who report E.coli urinary tract infection
50% report >1 episode of cystitis
E.coli urinary tract infection syptoms
Burning sensation during urination
What is pyelonephritis?
Kidney inflammation
Pyelonephritis symptoms
Lower back pain, fever, chills, vomiting. ^RBC in urine and WBC casts seen
How many cases of salmonella
1254
Which bacteria is it where all strains case disease in humans?
Salmonella
Source of salmonella?
GI tracts of animals
Non typhodial sal info
12-72h Gastroenteritis Often localised to GI tract Diarrhoea Short clinical course <10d
Typhodal sal info. (Diarrhoea in returning traveller).
7-14d Enteric fever Systemic infection Diarrhoea/constipation Longer symptom duarion 3w
Proteus mirabilis on culture plates
Swarm on plates
What does proteus mirabilis cause?
UTI, bacteraemia, pneumonia, biofilm formation.
ENCRUSTATION OF CATHETER.
