Diebel UTIs Flashcards
E. coli
gram - bacilli catalase + oxidase - reduces nitrates --> nitrites urease -
surface adhesins
e. coli
facilitate binding to epithelial cells (colonization
P fimbriae
e. coli
interacts with receptor on renal epithelial cells (impt for pyelonephritis)
Type 1 pilus
e. coli
binds to uroplakins on luminal surface of bladder uroepithelial cells (impt for cystitis)
*not always expressed
urease + organisms
Klebsiella pneumoniae
Proteus mirabilis
staph saphrophyticus
gram +
cocci
klebsiella pneumonia
gram - bacilli lactose fermenting facultative anaerobe capsule urease +
proteus mirabilis
gram -
bacilli
facultative anaerobe
urease +
enterococcus
gram +
bacilli
catalase -
urease -
citrobacter species
can cause some uncomplicated and complicated UTIs ok sure
1 cause uncomplicated UTI
e. coli
1 cause complicated UTI
e. coli
2 cause of UTIs in sexually active young women
staph saphrophyticus
5-15% cases of UTI
3 cause of uncomplicated UTI
klebsiella
acinetobacter species
can cause some complicated UTIs ok sure