Escherichia Coli Flashcards
1
Q
What sort of diseases can it cause?
A
Two groups: Intestinal and extraintestinal
Intestinal disease:
Different types. Eg. Enterotoxigenic E.coli, travelers diarrhoea
Extraintestinal:
UTI
Neonatal Meningitis
Hosp acquired infections eg. sepsis, endotoxic shock and pneumonia
2
Q
Gram positive/negative?
A
Negative
3
Q
shape?
A
Bacilli
4
Q
Normal Site?
A
GI tract
5
Q
Virulence factors?
A
Pili/Fimbraie: Adherence to mucousal surfaces
Lipopolysaccharide: Antigenic and endotoxin
Capsule: antiphagocytic
6
Q
Why is lab identification difficult?
A
Difficult to detect in stolls since normally there
7
Q
Treatment?
A
Maintenance of fluid and electrolyte balance
Note that extraintestinal disease requires antibiotics
8
Q
Prevention?
A
Care in selection, preparation and consumption of food and water
