UTI Flashcards
Describe the fevers for lower UTI vs upper UTI (pylo)
low fever/low UTI and high fever/upper UTI
Sxs of UTI resemble what other type of infx?
STI
three UTI sxs?
fever/hypothermia
poor feeding
jaundice
newborn UTI
What age presents with the below three sxs?
vomiting
diarrhea
poor feeding
infant UTI
What age presents with the below five UTI sxs?
irritability eating poorly unexplained fever loss of bowel control change to normal urinary habit
Child UTI
What are the two types of URI-Cult?
CLED and EMB
EMB contains bile salts and is selective for…
G- TUI pathogens
CLED is selective for _____ and determines the ability to ferment ________
selective for G+ and G-
ability to ferment lactose
What is the best way to dx UTI?
UA w/ microscopy
Culture is typically done in what population? What number of CFU is diagnostic?
men/children, 5x10^4
What additional exam should be done with men suspected of UTI?
DRE
What cases necessitate imaging for UTI?
children, recurrent infx, hematuria
What agent is responsible for 75-90% of all UTIs?
E. Coli
What are the 4 G- causes of UTI?
Proteus, Klebsiella, E. Coli, Pseudomonas
What are the three G+ causes of UTI?
Enterococcus, Staphy saprophyticus, Group B Strep
What UTI pathogen?
- G- enteric bacillus
- flagellated
- UPEC causes UTI
E. Coli
what strains of E. coli are associated with meningitis? When is that possible?
K1 encapsulated strain after neurosurgical trauma
UPEC E. coli use what to virulence factors to bind uroepithelial cells and erythrocytes?
P fibriae and Dr. adhesins
UPEC E. coli produce what substances that result in RBC and uroepithelial lysis?
alpha and beta hemolysins
UPEC E. coli can produce what antigen seen in upper and chronic UTI that results in increased biofilm formation?
K antigen
What UTI pathogen?
- G-
- swarming on culture agar
- possess fimbriae
- can be part of normal human flora
- found in long-term care and hospitals
Proteus, P. vulgaris/P. mirabilis
P. vulgaris typically infects what patient population?
immunocompromised
P. mirabilis is acquired how?
community acquired
Proteus spp can be isolated from hospital staff by swabs of…
oral cavity and nasopharynx
