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BMJ Case Rep. 2010; 2010: bcr0220102769.
Published online 2010 August 10. doi:  10.1136/bcr.02.2010.2769
PMCID: PMC3028115
Reminder of important clinical lesson

Lost without Occam's razor: Escherichia coli tricuspid valve endocarditis in a non-intravenous drug user


The unusual case of a 31-year-old woman who developed tricuspid valve endocarditis with positive blood cultures for Escherichia coli is presented. The patient had no underlying cardiac disease or predisposing conditions that could have made her susceptible to the native valve infection. Despite a lengthy course of intravenous antibiotics only a partial response was achieved. The patient underwent cardiac surgery and had a good postoperative recovery.

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