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

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2
Q

Gram positive/negative?

A

Negative

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3
Q

shape?

A

Bacilli

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4
Q

Normal Site?

A

GI tract

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5
Q

Virulence factors?

A

Pili/Fimbraie: Adherence to mucousal surfaces
Lipopolysaccharide: Antigenic and endotoxin
Capsule: antiphagocytic

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6
Q

Why is lab identification difficult?

A

Difficult to detect in stolls since normally there

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7
Q

Treatment?

A

Maintenance of fluid and electrolyte balance

Note that extraintestinal disease requires antibiotics

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8
Q

Prevention?

A

Care in selection, preparation and consumption of food and water

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