Most common cause of native valve endocarditis
Correct Answer: Staphylococcus aureus
Description: Infective endocarditis in intravenous drug abusers commonly involves the tricuspid valve and are caused by Staphylococcus aureus.
M. C. cause of native valve endocarditis → Staph. Aureus
M.C. cause of early-onset prosthetic valve endocarditis (< 2 mts & 2-12 mts) → Coagulase-negative staphylococci
M. C. cause of late-onset prosthetic valve endocarditis (> 12 mts) → Streptococci (e.g. streptococcus viridans)
M.C. cause of endocarditis in I. V drug abusers → Staph aureus.
Category:
Microbiology
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