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Which of the following pathogen is the main cause of endocarditis in individuals having heart diseases?

  • A.Streptococcus intermedius
  • B.Enterococcus faecalis
  • C.Streptococcus suis
  • D.Micrococcus luteus

Answer: B

Correct answer: Enterococcus faecalis

Enterococci are among the leading causes of infective endocarditis, and they characteristically settle on valves already damaged by rheumatic or degenerative disease. They reach the bloodstream from the bowel or the urinary tract, which is why enterococcal bacteraemia in a patient with valve disease is taken seriously and treated as endocarditis until proved otherwise.

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