Sunday, December 9, 2007
Mmic Case 3
Patient : Maisy Hong
Age : 67
Urine Specimen 3
Diagnosis: UTI, indwelling catheter
E.coli on blood plate
E.coli on MacConkey plate - lactose fermentors
Serratia on blood plate - colonies appear as 'buff' coloured
Proteus on blood plate- swarmingAll pictures obtained from:
http://www.microbelibrary.org/asmonly/details.asp?id=2038
Antibiotics
1. S. epidermidis
Highly resistant to antibiotics.
· Novobiocin
· Vancomycin+rifampin/aminoglycoside
2. Enterococci
· Ampicillin
· Nitrofurantoin
3. E.coli
· Ampicillin
· Aminoglycosides
· Cephalosporin
· SXT (Trimethoprim-sulfamethaxazole)
4. Proteus
· Penicillin-derivatives
· Aminoglycosides
· Cephalosporin
· Quinolones
5. Serratia
Mulit-drug resistant
· Third generation Cephalosporin
6. P. aeruginosa
Highly mulit-drug resistant therefore combination of antibiotics is necessary.
· Penicillin derivatives + aminoglycosides
· Third generation Cephalosporin
· Quinolones e.g. ciprofloxacin
· Monbactams e.g. aztreonam
· Carbepenam e.g. imipenam
7. Acinetobacter
· Aminoglycosides
· Cephalosporin
phuiyuen
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