Enterobacterales Flashcards
1
Q
What are they?
A
Gram negative bacilli/rods
2
Q
What is the normal habitat?
A
Colon, gut
3
Q
What do they grow well on?
A
MacConky agar as
-lactose fermenting
-non-lactose fermenting
4
Q
Are they oxidase positive or negative?
A
Oxidase negative
(unlike Pseudomonas aeruginosa)
5
Q
What antigens do they have? What are they used for?
A
Somatic O & Flagellar H
Used to define serotypes
6
Q
What kind of infection do they commonly cause?
A
Nosocomial (hospital-acquired) infection
7
Q
What antibiotics to use? (9)
A
- Ampicillin/amoxicillin
- Fosfomycin and nitrofurantoin (for simple UTI)
- Co-amoxiclav
- Pip-tazo
- Ceftriaxone and other cephalosporins
- Co-trimoxazole
- Aminoglycosides - Gentamicin, amikacin
- Ciprofloxacin and other fluoroquinolones
- Imipenen, meropenem (very broad spectrum)
