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ID > 4. Strep and Enteroccoccus > Flashcards

4. Strep and Enteroccoccus Flashcards

1
Q

Strep pyogenes structural virulence factors

A

M protein, hyaluronic capsule, teichoic acid

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2
Q

Strep pyogenes enzymatic virulence factos

A

Hyaluronidasse, streptokinase, DNAases, C5a peptidase

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3
Q

Strep pyogenes toxins

A

SPEs, streptolysin (O,S)

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4
Q

Strep pyogenes suppurative diseases

A

Pharyngitis, skin infections, scarlet fever, necrotizing fasciitis, TSS

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5
Q

Strep pyogenes non suppurative diseases

A

Rheumatic fever, glomerulonephritis

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6
Q

Strep pyogenes treatment and prevention

A

Penicillin, no vaccine

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7
Q

Strep agalactiae diseases

A

Leading cause of neonatal PMS: pneumonia, meningitis and sepsis. Adults: pneumonia, endocarditis, arthritis, osteomyelitis

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8
Q

Strep agalactiae lab dx

A

Hydrolyzes sodium hippurate, positive CAMP test

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9
Q

Strep agalactiae treatment

A

penicillin

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10
Q

Strep pneumoniae virulence factors

A

IgA protease, pneumolysis, teichoic acid, peptidoglycan, phosphocholine

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11
Q

Strep pneumoniae disease

A

CAP!!! meningitis, otitis media, sinusitis

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12
Q

Strep pneumoniae xterisitics

A

Gram positive diplococci

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13
Q

Strep pyogenes and agalactiae xteristics

A

Gram positive cocci in chains

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14
Q

Strep pneumoniae treatment and prevention

A

Treat w/ penicillin or cephalosporins. Vaccines 23 (adults) and 13 (kids)

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15
Q

Viridans strep diseases

A

Endocarditis, dental caries, brain abscesses

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16
Q

Viridans strep treatment and prevention

A

Endocarditis treated with penicillin. No vaccines.

17
Q

Enterococcus diseases

A

HAinfections!!! UTIs, endocarditis and wound infections

18
Q

Enterococcus xteristics

A

Grows in 6.5% NaCl. Can grow in 4% bile (Strep can’t) and hydrolyze eusculin. Variable hemolysis.

19
Q

Enterococcus treatment and preventions

A

Vanco resistant. No vaccine.

ID (11 decks)

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