5. Urinary Tract Infections Flashcards Preview

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Flashcards in 5. Urinary Tract Infections Deck (14):
1

A drug that is appropriate for AST on an Enterococcus spp. isolated in urine

Ampicillin

2

A localized infection, so no fever. Dysuria, frequency, and urgency. Urine may be cloudy, bloody, and foul smelling.

Cystitis

3

Built-in mechanism that prevents urine reflux

Ureterovesical valve

4

- Long, slender, helically-curved spirochete

- Zoonotic, from reptiles

Leptospira

5

3 organism that are normal colonizers of the distal end of the urethra?

- CoNS
- Lactobacillus
- Corynebacterium

6

Normal component of urine that is inhibitory to the growth of some bacteria?

High urea content

7

What can prostatitis lead to?

Hydronephrosis

8

What is urosepsis?

UTI with accompanying bacteremia

9

2 methods in classifying UTIs?

- Frequency (single episode/chronic or recurrent)
- Severity (uncomplicated/complicated)

10

What is hydronephrosis

Bladder can't empty properly => urine gets pushed up into ureters and kidneys

11

Organism usually associated with hematogenous UTI

S. aureus

12

Organism count that indicates UTI

100 x 10*6 CFU/L

13

Frequency and dysuria without demonstrable infection. Urines cultures are usually sterile or have very low counts.

Acute urethral syndrome

14

4 host defense mechanisms against UTIs

- Urine composition
- Voiding
- Immune response
- Reflux prevention