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20 Cards in this Set
- Front
- Back
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makes up most causes of community acquired UTIs
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e. coli
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makes up most causes of nosocomial UTIs
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proteus
enterococcus p. Aeruginosa klebsiella |
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most common entry method of pathogens
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ascending (feces to urethra to bladder)
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most important virulence factor of UTI pathogens
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adherence (P and type I fimbriae)
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pathogenesis of bladder infection
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periurethral invasion from bowel
adherence to uroepithelium invasion destruction of urothelium PMN invasion |
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pathogenesis of kidney infection from bladder
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ascending from bladder
bind to tubular cells cytokines induced damage from haemolysin extends damage to glomeruli bacteremia |
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female UTI risk factors
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pregnancy
sex nonsecretor status |
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dysuria and mucopurulent discharge caused by sexually transmitted agents
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urethritis
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most common STD
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chlamydia
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dysuria, frequency, and urgency caused by multiplication of enteric organisms within the bladder
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cystitis
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fever, flank pain, systemic signs caused by invasion of the kidney tissue by enteric organisms
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pyelonephritis
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when to tx asymptomatic infections
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before surgery
during pregnancy presence of WBC |
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uncomplicated UTI
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UTI without underlying disease
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uncomplicated UTIs most common in what population
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sexually active women
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complicated UTI
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functionally, metabolically, or anatomically, abnormal tract
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bacteria assx with staghorn calculi (struvite)
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proteus
Klebsiella (less common) |
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definition of a staghorn calculi
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involve at least 2 calyces and the renal pelvis
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urine samples are plated on what medium
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blood agar
MacConkey agar |
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quantity of bacteria needed to make dx of catheter assx UTI
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100 cfu/mL
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tx of cystitis
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TMP/SMX
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