Appendicitis

Christopher F. Carpenter, M.D., Nick Gilpin, D.O.
Appendicitis is a topic covered in the Johns Hopkins ABX Guide.

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PATHOGENS

  • Polymicrobial gastrointestinal flora
    • Enterobacteriaceae (e.g. Escherichia coli, Klebsiella spp., and Enterobacter spp.)
    • Anaerobes (e.g., Bacteroides spp.)
    • Gram-positive cocci (e.g., Enterococcus spp, Streptococcus spp.)
  • Fungi: (e.g., Candida spp) less common
  • In community-acqured infections, the major pathogens are Enterobacteriaceae and anaerobes.
  • In healthcare-associated infections, yeast, enterococci, resistant Gram-negative organisms, and Staphylococcus aureus may be seen.

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PATHOGENS

  • Polymicrobial gastrointestinal flora
    • Enterobacteriaceae (e.g. Escherichia coli, Klebsiella spp., and Enterobacter spp.)
    • Anaerobes (e.g., Bacteroides spp.)
    • Gram-positive cocci (e.g., Enterococcus spp, Streptococcus spp.)
  • Fungi: (e.g., Candida spp) less common
  • In community-acqured infections, the major pathogens are Enterobacteriaceae and anaerobes.
  • In healthcare-associated infections, yeast, enterococci, resistant Gram-negative organisms, and Staphylococcus aureus may be seen.

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