ID Flashcards

1
Q

CA- meningitis bug

A

N.meningitis, H. influenzae: 7d
Strep pneumonia: 10-14d
Listeria monocytogenes: 21d

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2
Q

CA- meningitis empiric coverage

A

<50yo: IV ceftriaxone 2g q12h + IV vancomycin

immunocompromised and >50yo: IV ampicillin 2g q4h + IV ceftriaxone 2g q12h + IV vanco

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3
Q

CAP bugs

A

S. pneumonia, mycoplasma, H.influenza

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4
Q

CAP empiric therapy

A

CAP non severe: IV augmentin 1.2g q8h + PO clarithromycin 500mg q12h

if risk pseudomonas: IV piptazo 4.5g q6h +/- IV vancomycin (if previous MRSA infection or colonisation within 3m)

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5
Q

risk factors for pseudomonas

A

-prior hosp >5d in 3m
-received parenteral antibiotics on 3m
-prior resp pseudomonas colonisation in prev 6m
- structural lung disease that leads to frequent COPD exacerbations

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6
Q

severe CAP empiric (cover s.areus, burkholderia)

A

IV penicllin 4MU q4h + IV ceftazidime 2g q8h + IV azithromycin 500mg q24h

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7
Q

HAP empiric

A

IV piptazo 4.5g q6h +/- vanco

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8
Q

bacterial gastroenteritis bugs

A

shigella, salmonella, C.difficle, E.coli

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9
Q

severe bacterial gastroenteritis empiric

A

IV ceftriaxone 2g q24h / Po azithromycin 500mg q24h

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10
Q

Spontaneous bacterial peritonitis bugs

A

gram -ve (e.coli)
gram +ve (strep pneumoniae, straphylococcus)

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11
Q

SBP empiric

A

IV ceftriaxone 2g q24h

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12
Q

diverticulitis abscess bugs

A

E.coli, klebsiella, B. fragilis

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13
Q

diverticulitis abscess empiric

A

IV augmentin 1.2g q8h

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14
Q

Community acquired acute cholecystitis/cholangitis/gallbladder empyema bugs

A

enterobacteriaceae, enterococci, bacteroides sp, c. difficle

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15
Q

Community acquired acute cholecystitis/cholangitis/gallbladder empyema empiric

A

IV augmentin 1.2g q8h
(if critically ill) add amikacin IV 1-2doses

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16
Q

Community acquired UTI bugs

A

e,coli, klebsiella, s.saprophyticus, enterococci and strep agalactiae

17
Q

community acquired UTI empiric

A

IV augmentin 1.2g q8h +/- IV amikacin 1 dose

18
Q

HA-UTI empiric

A

IV piptazo 4.5g q8h +/- amikacin 1 dose

19
Q

pelvic inflammatory disease

A

IV ceftriaxone 2g q24h + IV metronidazole 500mg q8h + PO doxy 100mg BD

20
Q

cellulitis bugs

A

strep A,B,C,G
staph aureus

21
Q

cellulitis empiric

A

IV cefazolin 2g q8h x5-7d

22
Q

DFI bugs

A

staph aureus
strep B
strep pyogenes

23
Q

DFI empiric

A

w/o osteomyelitis: IV cefazolin 2g q8h x7-14d

w osteomyelitis if no surgery 6wks: IV cefazolin 2g q8h
(unless critically ill IV augmentin 1.2g q8h or IV piptazo 4.5g q6h)

24
Q

necrotising fasciitis empiric

A

IV cefazolin 2g q8h + IV clindamycin 900mg q8h

if risk factors for gram-ve: IV penicillin 4U q4h + IV ceftazidime 2g 8h + IV clindamycin 900mg q8h

x14d