Ex2 Antbx Flashcards
DOC MSSA
Nafcillin or oxacillin
Pt with MSSA has gram - growing
Cefazolin
Only cephalosporin that covers MRSA
Ceftaroline
Which drug class does not cover enterococcus at all?
Cephalosporins
Pt has PCN allergy. Needs skin flora coverage and gram -
Levofloxacin
Option for PNA
Levofloxacin
Levo/Cipro are not good option for
Invasive MRSA
DOC MRSA
Vancomycin
Pseudomonas coverage
Zosyn Ceftazidime Carabenems (except ertapenem) Aztreonam Fluoroquinolones Polymixin
Covers Cdiff
Metrondiazole
Covers MRSA, VRE, gram -, anaerobes
Tigecycline
Any operations above lungs, need anaerobe coverage
Clindamycin
Any operation below lungs that covers anaerobes
Metrondiazole
DOC for Nectrotizing fasciitis
Clindamycin
Which antbx can cause Cdiff?
Clindamycin
Levo/Cipro
Pt allergic to PCN/Beta Lactam, on Clinda, has gram - bacteria during head/neck op.
Aztreonam
Prolong QTc
Levo/Cipro
“Mycins”
Voriconazole
Seizure risk in which medications?
Beta-lactams
Agitation/hallucination is a risk in which medications?
Levo/Cipro
How often are antibiotics re-dosed in the OR?
2x half life
Example: how often is zosyn dosed in OR?
2x half life — normally q6; give q3 hours
Skin flora coverage
Cefazolin
Skin flora coverage (PCN allergy)
Clindamycin or Vancomycin
GI/GU procedure, DOC
Cefazolin + metronidazole
GI/GU procedure, DOC (PCN allergy)
Aztreonam + metrondiazole +vancomycin
OR Levofloxacin + metrondiazole
SSI definition
Within 30 days
Within 90 days if prosthetic placed
DOC VRE
Daptomycin, Linezolid
Enterococcus DOC
Ampicillin
Enterococcus DOC; PCN allergy
Vancomycin
Time dependent antibiotics
Penicillins, cephalosporins, carbapenems, aztreonam
Concentration dependent antibiotics
Aminoglycosides, daptomycin, metronidazole
AE Aminoglycosides
Renal dysfunction
AE Beta Lactams
Seizures
Drug fever
Increases risk of Cdiff
Fluoroquinolones
Clinda
AE Fluoroquinolones
Agitation/hallucination
Prolonged QTc
AE Linezolid
MAOI Intxn (anything with serotonin increases risk SS) Dec. Bone Marrow/platelets
AE Flagyl
Dark urine- ok
AE Polymixin
Acute neuromuscular blockade