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Med 2 - Week 49 > UTIs > Flashcards

Flashcards in UTIs Deck (16)
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1

Define UTI

symptomatic bacterial infection of the urinary tract

2

Define: asymptomatic bacteriuria

Presence of significant amounts of bacteria in the urine but w/o symptoms
- >100'000 CFU/ml

3

Define: pyelonephritis

infection of renal parenchyma either directly from urine or via hematogenous spread

4

How can UTIs lead to AKI?

ongoing inflammation can lead to tubular obstruction and damage --> interstitial nephritis --> AKI

5

What are 3 iatrogenic risk factors for UTIs?

- indwelling or foley catheters
- antibiotic use
- spermicides

6

What are 2 behavioural risk factors for UTIs?

- voiding dysfunction
- frequent or recent sexual intercourse

7

What are 3 anatomic/physiologic risk factors for UTIs?

- vesicoureteral reflex dysfunction
- female sex
- pregnancy

8

What are 3 genetic risk factors for UTIs?

- familial tendency
- vaginal mucous properties
- susceptible uroepithelial cells

9

What are the 3 most common symptoms of UTI

- urinary urgency
- urinary frequency
- dysuria

10

What are 4 diagnostic tests for UTI?

- urine culture
- dipstick
- blood cultures
- imaging

11

How should urine be collected for culture?

midstream urine catch

12

What 3 measures are reported on a urine culture?

1. uropathogen ID
2. CFU
3. Abx sensitivity report

13

what is the most common bacteria causing a UTI

E. coli

14

When would you do a renal ultrasound?

if someone doesn't respond to therapy with pyelonephritis

15

What are the 2 options for empiric Abx therapy for cystitis?

1. nitrofurantoin
2. fosfomycin

16

What are the 2 situations where you would treat asymptomatic bacteriuria?

1. pregnancy
2. about to undergo invasive urological procedures that have a potential for bleeding