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17 Cards in this Set
- Front
- Back
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Indole positive (organism has tryptophanase)
Vague proskauer and citrate negative |
E. Coli!
Indole + differentiates it from Klebsiella and Enterobacter (neonates or elderly in hospital) (other KEE organisms) |
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Non-lactose fermenter and methyl red negative
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serratia (neonates or elderly in hospital)
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HIGHLY urease positive (turns pink)
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Proteus mirabilis (this is the most severe uti in the hospital)
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Oxidase positive
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P. aeruginosa
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Gram stains positive, urease positive, coagulase negative
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staph saprophylicus
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Gram stains positive, catalase negative
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Enterococcus
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E. coli type 1 fimbrae adherence factor
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lower UTI; binds mannose (inhibited by mannose)
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E. coli type 2 fimbrae adherence factor
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Upper UTI; pyelonephritis -> binds glycosphingolipids in kidneys
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differentiate between E. coli fimbrae 1/2
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1 is inhibited by mannose
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hemolysin
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frees iron from hemoglobin
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aerobactin
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binds freed iron
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swarms on agar
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proteus mirabilis; severe hospital acquired UTI due to indwelling catheter
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Dysuria with penile discharge
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Dysuria with penile discharge usually means an STD specifically N. gonorrhoeae.
men w bacteriuria frequently have anatomic abnormalities of the urinary tract |
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Has Pili, Lipooligosaccharide ( LOS), OMPs
Fastidious organism grow on selective media Chocolate agar Oxidase positive |
n. gonorrohae
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Strict intracellular parasite with two forms: elementary bodies EB and non infectious reticulocyte bodies RB
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chalmydia trachomatis
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Positive culture on specialized media ( arginine) is definitive evidence of disease but it is realtively insensitive
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mycoplasma hommis
Predominantly infects respiratory tract and genitourinary tract Known to cause pyelonephritis, postpartum fever, and systemic infections in immunocompromised patients. |
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Positive culture on specialized media ( urea + strong buffering) is definitive evidence of disease but it is relatively insensitive. Slow growers and die rapidly
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Ureaplasma urealyticum
Known to cause nongonococcal urethritis, pyelonephritis, spontaneous abortion, premature birth |
