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33 Cards in this Set
- Front
- Back
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most common causes of UTI
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E. coli and Staph. Saprophyticus
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gram neg. rod ferments glucose and lactose, oxidase negative
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E. coli
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important species in the Enterobacteriaceae family
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proteus, klebsiella, enterobacter, citrobacter, serratia
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organism associated with the promotion of struvite kidney stones by urease activity
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proteus
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organisms associated with nosocomial UTIs
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proteus, E.coli, klebsiella, serratia, pseudomonas, staph. Epidermidis, candida
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organisms associated with complicated UTIs
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E. coli, Proteus, Klebsiella, Staph.
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E. coli virulence factors
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O (LPS), H (flagellum), K (capsule) antigens, P-fimbriae, type-1 fimbriae, hemolysin, aerobactin (siderophore)
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large grey colonies on blood agar
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E. coli
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cause of neonatal menengitis in 30% of cases
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E.coli
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common cause of purulent discharge
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gonorrhea
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common cause of clear discharge
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chlamydia
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organisms which cause urethritis
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gonorrhea, chlamydia, M. hominis, M. genitalium
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gram negative diplococci within a neutrophil
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N. gonorrhea
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N. gonorrhea virulence factors
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pili, cell wall lipoogliosaccharide (LOS), outer membrane proteins (OMP), IgA protease
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DOC for N. gonorrhea
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ceftriaxone + doxycycline or azithromycin for chlamydia
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complications of N. gonorrhea
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PID, epididymitis, prostatitis, disseminated gonococcal infection (DGI), conjuntivitis/blindness in neonates (prevented by tx with silver nitrate, tetracycline, or erythromycin)
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risk factors for N. gonorrhea infection
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multiple sex partners, complement deficiencies, early age at onset of sexual activity, lower socioeconomic status
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Sx of DGI
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acute arthritis or rash
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risk factor for A. israelii PID
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IUD
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most common bacterial STI in the US
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chlamydia
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obligate intracellular bacteria found in vaginal epithelial cells
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chlamydia
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cytoplasmic inclusions seen on giemsa stain
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chlamydia
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organism which is the leading cause of blindness world wide
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C. trachomatis (trachoma)
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organism capable of causing conjunctivitis , nongonococcal urethritis, lymphogranuloma venereum, neonatal conjunctivitis (resistant to prophylaxis), neonatal pneumonia, reiter syndrome
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C. trachomatis
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Sx of lymphogranuloma venereum (LGV)
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panless ulcer folowed by painful lymphadenopathy
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Sx of trachoma
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inward turned eyelashes
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Sx of reiter syndrome
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urethritis, arthritis, conjunctivitis
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DOC for monomicrobic chlamydia infection
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doxycycline
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strawberry cervex
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Trichomonas vaginalis
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clue cells (vaginal epithelial cells w/ a stippled appearance)
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bacterial vaginosis (Gardnerella vaginalis or Mobiluncus)
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fishy odor w/ KOH amine test
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Trichomonas vaginalis or bacterial vaginosis
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yellow frothy discharge
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Trichomonas vaginalis usually
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flagellated pear shaped protazoan which causes vaginitis
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trichomonas vaginalis
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