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Showing posts with label gram negative bacilli. Show all posts
Showing posts with label gram negative bacilli. Show all posts

Common organisms in infective endocarditis (IE)


Infective endocarditis on native valves – prevalence of organisms:
This cross-sectional view shows vegetations (accumulations of bacteria and blood clots) on the four valves of the heart. [Source]

  • Streptococci 
    • Viridans group 10–15%
    • Enterococci 20–25%
    • Other
  • Staphylococci 
    • Staphylococcus aureus 9–27%
    • Coagulase-negative 1–3%
  • Gram-negative bacilli
    • Haemophilus spp. 3–8%
  • Anaerobes less than
    • Rickettsia/fungi 2%