What are the minor diagnostic criteria for 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

Minor criteria for IE include the following:

  • Predisposing heart condition or intravenous drug use

  • Fever of 38°C (100.4°F) or higher

  • Vascular phenomenon, including major arterial emboli, septic pulmonary infarcts, mycotic aneurysm, intracranial hemorrhage, conjunctival hemorrhage, or Janeway lesions

  • Immunologic phenomenon such as glomerulonephritis, Osler nodes, Roth spots, and rheumatoid factor

  • Positive blood culture results not meeting major criteria or serologic evidence of active infection with an organism consistent with IE

  • Echocardiogram results consistent with IE but not meeting major echocardiographic criteria


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