Step 1

Microbiology 3

A 55-year-old man presents to the emergency department with recurrent fevers over the past 6 weeks. Blood cultures are performed and eventually show an organism that is purple on Gram stain, does not cause hemolysis when plated, and does not survive in 6.5% NaCl. An echocardiogram reveals the presence of native valve endocarditis.

For which of the following conditions should this patient be evaluated to determine the etiology of the endocarditis?

  • A) Dental caries
  • B) Intravenous drug use
  • C) Malignancy of the lower GI tract
  • D) Urinary tract infection
  • E) Vegetations on intravenous catheter

Authors

Dr. Ted O'Connell

Editor

Dr. Ted O'Connell

Last updated

Jun 22, 2022

Source

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