Sepsis week formative Flashcards
cause of prosthetic valve endocarditis
strep. viridian’s
strep viridian’s is a gram ———-?
gram positive chain
strep viridian’s is an example of ——- haemolysis?
alpha
how is strep. viridian’s acquired?
intra-operatively acquired
what criteria is used to assess infective endocarditis?
duke criteria
enterococcus faecalis is ——– haemolysis?
non
where does e. faecalis originate?
gut
escheria species is not included in the
typical organisms list for diagnosing endocarditis
how do you diagnose infective endocardiditis
2 separate positive blood cultures in the absence of alternative source
what organisms are included in the typical organisms in the major criteria for diagnosing endocarditis? (4)
staph. aureus
enterococcus faecalis
viridian’s streptococci
HACEK group organisms
how do you diagnose C.diff?
stool toxin test
what increase the risk of C.diff infection? (4)
antibiotics within the preceding 3 months
proton pump inhibitors
prolonged hospitalisation
immunosuppression
patient visits petting zoo followed by a barbecue. she has a fever of 39 and new blood diarrhea. what is the causative organism?
escherichia coli
if patient present with e.coli gastroenteritis then we must avoid?
antibiotics
what cultures are required for e.coli gastroenteritis?
stool cultures
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
measure C -reactive protein
what is awn associated complication of e.coli gastroenteritis?
hemolytic-uraemic syndrome
e.coli is a gram———?
gram negative rod/bacillus
protracted vomiting and nausea a few hours after eating reheated rice? cause
bacillus crus
how do you treat bacillus crus infection?
supportive managend only
what antibiotic has o activity against anaerobes?
gentamicin
what antibiotic is active against gram-positive organisms only?
vancomycin
what antibiotic is active against gram negative organisms only?
gentamicin
which of the following antibiotic is not a 4c antibiotic: clarithromycin clindamycin levofloxacin cefazidime co-amoxiclav
clarithromycin
which of the following drug is not a quinolone: gentamicin moxifloxacin levofloxacin ciprofloxacin ciprofloxacin
gentamicin
which drug is safe in penicillin type 1 allergy?
aztreonam
what is the likely cause of sepsis in a IV drug user?
staph aureus
how many blood cultures are required before antibiotics are given?
3 sets of blood cultures spread over one hour then start antibiotics
pain disproportionate in the wound, causative organism?
necrotising fasciitis
treatment for necrotising fasciitis?
urgent surgical debridement
which antibiotic has anti-toxin effects?
linezolid, clindamycin
best organism to cover staph. aureus
IV flucloxacillin
