M2 Lab 2 Urines Flashcards
1
Q
What are the common causative agents for an UTI?
A
Most common causative bacteria for UTI (pathogens):
- Enterobacterales
(E. coli, Klebsiella, Proteus, others), other GNB (Pseudomonas), Enterococcus, Staphylococcus (saprophyticus in community acquired, others in nosocomial), yeast in inpatients.
2
Q
What two clinical factors (general) are important in establishing presence of a UTI?
A
Pyuria along with bacteriuria is also an important factor in establishing the presence of a urinary tract infection.
3
Q
What are common contaminants in urinary samples?
A
Resident Microbiota of the urethra and skin (possible contaminants):
Coag neg Staph,
Viridans Strep,
Lactobacillus,
Corynebacterium, non pathogenic Neisseria spp.
