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ID > bacteremia > Flashcards

bacteremia Flashcards

1
Q

presence of viable bacteria in the bloodstream

A

innate immune response

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2
Q

bloodstream infection ( bacteremia leading to sepsis)

A

innate immune response failure
anatomic lesions
turbulent cardiac blood flow
foreign material in the body

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3
Q

CAP most common site of bacteria origin

A

respiratory tract
urinary tract
intraabdominal infections

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4
Q

CAP most frequent isolated pathogens

A

e.coli
s.pneumonia
s. aureus

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5
Q

HAP

A

Intravascular catheter- related blood stream infections

short term <14 days
long term > 14 days

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6
Q

peripheral venous catheter

A

inserted into the veins of the forearm or the hand
short term

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7
Q

peripheral arterial catheter

A

shorter

monitor hemodynamic status

determine blood gas levels of critically ill patients

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8
Q

short term CVC

A

most common

majority pf all catheter related blood stream infections

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9
Q

Long term CVC

A

surgically implanted CVC (hickman)

provide vascular access to patients

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10
Q

catheter colonization

A

significant growth of >+ 1 microorganism in a quantitative or semiquantiive culture of the catheter tip, subcutaneous cath segment, or cath hub

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11
Q

cath related

A

bacteriemia or fungemia in a patient who has an intravascular device and > 1 positive blood culture result obtained from the peripheral vein, clinical manifestation of infection, and no apparent source for bloodstream infection

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12
Q

where does the does the INTravascular CRBSI emanate from?

A

hub, insertion site or both

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13
Q

persutaneoulsy inserted, non cuff catheters

A

CoNS
S.aureus
candida
Enteric gram neg bacilli

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14
Q

surgically implanted and peripheral inserted CVC

A

CoNS
enteric gram neg bacili
s.aureus
p. aeruginosa

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15
Q

short term cvc or AC
mild/ mod ill (no hypotension/ organ failure)

A

no fever= remove CVC and AC, culture tip and insert at new site

blood cx, 2 sets –> consider antimicrobial

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16
Q

short term cvc or AC

seriously ill (hypotension, hypo perfusion signs and symptoms of organ failure)

A

blood cx, 2 sets , remove CVC and AC, culture tip and insert at new site or exchange –>initiate therapy

17
Q

short term cvc or AC
blood culture (-)
CVC and AC not cultured

A

if continued fever and no other source

remove and culture CVC and AC

18
Q

short term cvc or AC
blood culture (-)
CVC and AC (-)

A

look for other source

19
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU

A

for s.aureus treat 5-7 days
monitor
repeat blood cx

20
Q

short term cvc or AC
blood culture (+)
CVC and AC > 15 CFU
complicated

A

remove cath and treat w systemic abx for 4-6 weeks

6-8 weeks for osteomyelitis

21
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU
uncomplicated
CoNS

A

remove and treat systemic abx 5-7 days

if cath is retained: abx + lock therapy 10-14 days

22
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU
uncomplicated
s. aureus

A

remove cath and treat w systemic abx for >14 days

23
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU
uncomplicated
enterococcus

A

remove cath and treat w systemic abx for 7-14 days

24
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU
uncomplicated
GN bacili

A

remove cath and treat w systemic abx for 7-14 days

25
Q

short term cvc or AC
blood culture (-)
CVC and AC > 15 CFU
uncomplicated
candidas

A

remove cath and treat with a anti fungal therapy for 14 days after the first negative blood cx

26
Q

long term cath
complicated
tunnel infection, port access

A

remove CVC/P and trat w abx 7-10 days

27
Q

long term cath
complicated
septic, thrombosis, endocarditis, osteomyelitis

A

remove CVC/P and treat with abx for 4-6 weeks

6-8 weeks for osteomyelitis

28
Q

long term
uncomplicated
s. aureus

A

remove the infected cath and then treat with 4-6 weeks of anribicrobial

29
Q

long term
uncomplicated
GN bacilli

A

remove cvc/p anf trat for 7-10days

30
Q

long term
uncomplicated
candida

A

remove and treat with antifunal 14dasy

ID (27 decks)

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