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Infectious Disease > Skin infections > Flashcards

Skin infections Flashcards

1
Q

NSTI MC bugs

A

polymicrobial or Group A strep

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2
Q

Group A strep bug? tx?

A

gram positive cocci chains/Pen G and clinda

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3
Q

animla induced NSTI bugs?

A

pasturella, capnocytophagia- B lactam

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4
Q

Fresh water NSTI bug? tx?

A

aeromonas- Bactrim or flq

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5
Q

Salt water NSTI bug? tx?

A

vibrio- 3rd gen cephalopsporin or tetracycline

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6
Q

Trauma IVDA bug? tx?

A

clostridium- PCN and clinda

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7
Q

NSTI vs compartment syndrome presentation?

A

NSTI with red very painful/compartment pallor numbness

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8
Q

MCC toxic shock syndrome?

A

GAS and S aureus

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9
Q

toxic shock toxin?

A

exotoxin

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10
Q

Tularemia presentation? tx?

A

red spot ulceration/aminoglycoside

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11
Q

Plague presentation? tx?

A

buboes, gangrene/ streptomycin, tetracycline

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12
Q

anthrax tx?

A

doxy or cipro

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13
Q

Brown Recluse bite, bug?

A

MRSA

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14
Q

TSS tx?

A

clindamycin plus IVIG (lowers mortality)

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15
Q

staph toxin in TSS?

A

TSST-1 exotoxin, massive release of cytokine

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16
Q

strep toxin in TSS?

A

toxin found on surface of bacterium

17
Q

bad complciation of sphenoid sinusitis?

A

sinus thrombosis

18
Q

MC bug for sinus thrombosis from sinusitis?

A

S aureus

19
Q

characteristic findings of group A strep pharyngitis caused by strep pyogenes?

A

temp, cervical lymphadenopathy, exudative tonsils

20
Q

virulence factor for S pyogenes (GAS)

A

strains lacking the M protein are less virulent

21
Q

type 1 nec fasciitis cause?

A

polymicrobial

22
Q

type 2 nec fasc cause?

A

GAS S pyo

23
Q

type 3 nec fasc cause?

A

gram negative

24
Q

type 4 nec fasc cause?

A

seen in immunocompromised caused by fungal usually candida species

25
Q

tratment for pseudomonas septic joint?

A

penicillin plus aminoglycoside

26
Q

which coag negative staph is more like s aureus in terms of its infectivity?

A

S lugadensis

27
Q

tx for coag neg staph line infection?

A

catheter removal and the abx for 5-7d

Infectious Disease (10 decks)

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