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ebmalonzo
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Common Organisms in Appendicitis: Gram Positive
- • Streptococcus sp
- • Enterococcus sp
- • Staphylococcus sp
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Common Organisms in Appendicitis: Gram Negative
- • Escherichia coli
- • Klebsiella sp
- • Enterobacter sp
- • Proteus sp
- • Pseudomonas sp
- • Acinetobacter sp
- • Citrobacter sp
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Common Organisms in Appendicitis: Anaerobes
- • Bacteroides sp
- • Peptostreptococcus sp
- • Fusobacteria
- • Clostridium sp
- • Prevotella sp
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Prophylaxis Tx Prior to Appendectomy
Cefazolin
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Empiric Tx (Single Agents in Pediatrics)
- • Carbapenems
- → Imipenem
- → Meropenem
- → Ertapenem
- • Carboxypenicillins
- → Ticarcillin / clavulanate
- • Ureidopenicillins
- → Piperacillin / tazobactam
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Empiric Tx (Combination Agents in Pediatrics I)
- • 3rd or 4th generation cephalosporins
- → Ceftriaxone
- → Cefotaxime
- → Ceftazidime
- → Cefepime
- • PLUS
- → Metronidazole
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Empiric Tx (Combination Agents in Pediatrics II)
- • Aminoglycoside
- → Gentamicin
- → Tobramycin
- • PLUS
- → Metronidazole
- • OR
- → Clindamycin
- • MAY include ampicillin/sulbactam
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Empiric Tx (Single Agents in Mild-moderate in Adults)
- • Cephamycin
- → Cefoxitin
- • Carbapenem
- → Ertapenem
- • Carboxypenicillins
- → Ticarcillin / clavulanate
- • Fluoroquinolone
- → Moxifloxacin
- • Glycylcycline
- → Tigecycline
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Empiric Tx (Combination Agents in Mild-moderate in Adults)
- • 1st /2nd /3rd generation cephalosporin
- → Cefazolin
- → Cefuroxime
- → Ceftriaxone
- → Cefotaxime
- • OR Fluoroquinolone
- → Ciprofloxacin
- → Levofloxacin
- • PLUS
- → Metronidazole
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Empiric Tx (Single Agents in High Risk & Severity in Adults)
- • Carbapenem
- → Imipenem
- → Meropenem
- → Doripenem
- • OR Ureidopenicillin
- → Piperacillin/tazobactam
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Polymicrobial Infection Tx
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Pseudomonal Infection Tx
- • Carbapenem
- • Piperacillin / tazobactam
- • Ceftazidime / metronidazole
- • Cefepime / metronidazole
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P. aeruginosa Resistant to Ceftazidime Tx
- • Carbapenem
- • Piperacillin / tazobactam
- • Aminoglycoside
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Enterococcal Infection Tx
- • Ampicillin / sulbactam
- • Vancomycin
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VRE Tx
- • Quinupristin-dalfopristin
- • Linezolid
- • Daptomycin
- • Tigecycline
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