UTI Flashcards
1
Q
Common presentation of UTI
A
- Frequency/dysuria
- Acure pyelonephritis
- Catheter-related infection
- Bacteruria of pregnancy
2
Q
Collection methods for urine
A
- Mid-stream
- Clean catch
- Catheter (danger of introducing infection)
- Supra-puc aspiration (bladder puncture)
3
Q
Quantative cut-off for “significant bacteruria”
A
100 000 colonies per ml
4
Q
Most common GP UTIs
A
- E. coli 70-80%
- Staphylococci 10-15%
- Proteus mirabilis 10%
- Klebs
5
Q
Common hospital UTI
A
- E.coli 50%
- Klebs 10%
- Proteus mirabilis
- P. aeruginosa
6
Q
Treatment of UTI
A
Simple cystitis: Fluids, 2-3 antibacterial
7
Q
Antimicrobial agents used in UTI
A
Augmentin
Cephalexin
Ampicillin/amoxycillin - resistance common
Quinolones if resistant to first line
Gentamicin - hospital only for P. aeruginosa
8
Q
Which antibiotics are increasingly prone resistance from gram -ves
A
Penicillins and Cephalosporins due to production of Beta-lactamase enzymes which inactivate antibiotics
