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Showing posts with label IE. Show all posts
Showing posts with label IE. 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%