Term
| Enterococcus are formerly classified as what? |
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Definition
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Term
| 80-90% of clinical isolates have been identified as what bacterium? |
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Definition
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Term
1. Which antimicrobial agents has Enterococcus demonstrated resistance to?
2. and How do they become resistant? |
|
Definition
1. Beta-lactams, clindamycin, aminoglycosides
2. plasmid mediated |
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Term
| Enterococcus is Gram ____ |
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Definition
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Term
| What is the morphology of Enterococcus? |
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Definition
**Ovoid (oval)
***May appear in short chains, pairs, or as single cells |
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Term
| Enterococcus is catalse______ (+ or -) |
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Definition
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Term
| What is the antigenic structure of Enterococcus? |
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Definition
| most species react with group D streptococcal antigen |
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Term
| What are the clinical manifestations of enterococcus? |
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Definition
1. nosocomial infections
2. UTI
3. endocarditis
4. bacteremia
5. neonatal infections |
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Term
| How has the administration of antimicrobial agents to which enterococcus are immune affected nosocomial infections? |
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Definition
| increased administration of antimicrobial agents to which the bacteria are resistant have increased the incidence of nosocomial infections |
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Term
| an increase in the use of invasive devices like ________ has ________ the incidence of _________ from enterococcus? |
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Definition
devices like catheters and multiple vascular access lines
have caused an increase
in incidence of nosocomial infections |
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Term
| enterococcus causes a lot of ______ in hospitalized patients |
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Definition
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Term
| Endocarditis is caused by eneterococcus what percentage of the time? |
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Definition
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Term
| Endocarditis is most commonly caused by enterococcus in what group of people? |
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Definition
| elderly men who had genitourinary instrumentation or UTI |
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Term
| What is the common source of bacteremia when it is caused by enterococcus? |
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Definition
| source is often the urinary tract |
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Term
| neonatal infections due to enterococcus usually cause symptoms associated with |
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Definition
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Term
| Enterococcus epidemiology: |
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Definition
1. may originate from normal flora
2. person-to-person transmission is known to occur (i.e. outbreaks among hospitalized neonates) |
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Term
| How do you diagnose enterococcus? |
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Definition
1. isolate it and come up with a biochemical ID
2. It is bile-esculin positive (this distinguishes it from streptococci
3. grows in 6.5% NaCl |
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Term
| What test can you do to distinguish enterococcus from streptococcus? |
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Definition
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