What does a positive blood culture indicate in the diagnosis of infective endocarditis (IE)?

Updated: Jan 03, 2019
  • Author: John L Brusch, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

The significance of positive blood culture results correlates with the following:

  • The type of organism

  • The clinical setting (coagulase-negative staphylococci [CoNS] are significant in patients with prosthetic valves but not in those with native valves)

  • Multiple blood cultures positive for the same organism

  • Shorter incubation time for recovery

  • The degree of severity of clinical illness


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