Renal / Urinary Tract Infections Flashcards
(41 cards)
when does a lower urinary tract infection become an upper urinary tract infection
if in ureter above bladder
what is a simple UTI
female, recent sex, no haematuria
what is a complicated UTI
any UTI that doesn’t meet the criteria for simple
what condition in post-menopausal women is a risk factor for UTIs
atrophic vaginitis
is suprapubic pain a feature of lower or upper UTIs
lower
leu on urinalysis indicates the presence of what in urine
white blood cells
nitrites on urinalysis indicates the presence of what in urine
coliforms (not enterococcus, pseudo)
which groups of patients shouldn’t you dipstick
elderly, those with catheters
what imaging could you do in someone with recurrent lower UTIs
US for anatomical abnormality
what is the commonest cause of UTIs
e. coli
what toxin does e. coli produce
LPS endotoxin
what are proteus UTIs associated with
staghorn struvite calculi
which infecting organism in lower UTIs is associated with catheter and surgical instruments
pseudomonas
psuedomonas is resistant to all oral antibiotics except 1, which?
ciprofloxacin
what bacteria can cause a haematogenous UTI in sepsis
s. aureus
what group of people get staph saphrophyticus UTIs
sexually active young women
what condition presents identically to UTIs
abacterial cystitis
when is asymptomatic bacteruria considered significant
greater than 10 to the power of 5 organisms
are antibiotics indicated for asymptomatic bacteruria
only in pregnant women
what is the empirical treatment or an uncomplicated lower UTI in females and males
3 day women
7 day men
trimethoprim
trimethoprim mechanism
inhibits folic acid
trimethoprim contraindication
trimester 1 teratogen
2nd line Mx of lower UTI if trimethoprim is contraindicated
nitrofutanoin
mechanism of nitrofurantoin
reaches therapeutic conc in urine
