Sepsis week formative Flashcards

1
Q

cause of prosthetic valve endocarditis

A

strep. viridian’s

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2
Q

strep viridian’s is a gram ———-?

A

gram positive chain

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3
Q

strep viridian’s is an example of ——- haemolysis?

A

alpha

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4
Q

how is strep. viridian’s acquired?

A

intra-operatively acquired

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5
Q

what criteria is used to assess infective endocarditis?

A

duke criteria

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6
Q

enterococcus faecalis is ——– haemolysis?

A

non

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7
Q

where does e. faecalis originate?

A

gut

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8
Q

escheria species is not included in the

A

typical organisms list for diagnosing endocarditis

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9
Q

how do you diagnose infective endocardiditis

A

2 separate positive blood cultures in the absence of alternative source

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10
Q

what organisms are included in the typical organisms in the major criteria for diagnosing endocarditis? (4)

A

staph. aureus
enterococcus faecalis
viridian’s streptococci
HACEK group organisms

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11
Q

how do you diagnose C.diff?

A

stool toxin test

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12
Q

what increase the risk of C.diff infection? (4)

A

antibiotics within the preceding 3 months
proton pump inhibitors
prolonged hospitalisation
immunosuppression

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13
Q

patient visits petting zoo followed by a barbecue. she has a fever of 39 and new blood diarrhea. what is the causative organism?

A

escherichia coli

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14
Q

if patient present with e.coli gastroenteritis then we must avoid?

A

antibiotics

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15
Q

what cultures are required for e.coli gastroenteritis?

A

stool cultures

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16
Q

out of the following which is not part of sepsis 6:

  • appropriate culture
  • measure urine output
  • IV fluid resuscitation
  • measure C-reactive protein
  • Check serum lactate
A

measure C -reactive protein

17
Q

what is awn associated complication of e.coli gastroenteritis?

A

hemolytic-uraemic syndrome

18
Q

e.coli is a gram———?

A

gram negative rod/bacillus

19
Q

protracted vomiting and nausea a few hours after eating reheated rice? cause

A

bacillus crus

20
Q

how do you treat bacillus crus infection?

A

supportive managend only

21
Q

what antibiotic has o activity against anaerobes?

A

gentamicin

22
Q

what antibiotic is active against gram-positive organisms only?

A

vancomycin

23
Q

what antibiotic is active against gram negative organisms only?

A

gentamicin

24
Q
which of the following antibiotic is not a 4c antibiotic:
clarithromycin 
clindamycin 
levofloxacin 
cefazidime 
co-amoxiclav
A

clarithromycin

25
``` which of the following drug is not a quinolone: gentamicin moxifloxacin levofloxacin ciprofloxacin ciprofloxacin ```
gentamicin
26
which drug is safe in penicillin type 1 allergy?
aztreonam
27
what is the likely cause of sepsis in a IV drug user?
staph aureus
28
how many blood cultures are required before antibiotics are given?
3 sets of blood cultures spread over one hour then start antibiotics
29
pain disproportionate in the wound, causative organism?
necrotising fasciitis
30
treatment for necrotising fasciitis?
urgent surgical debridement
31
which antibiotic has anti-toxin effects?
linezolid, clindamycin
32
best organism to cover staph. aureus
IV flucloxacillin