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A previously healthy college student developed a slowly worsening fever and confusion. A transesophageal echocardiogram (TEE) revealed a mitral valve vegetation; brain MRI imaging showed several small strokes suggestive of embolic spread. Blood cultures collected at the time of admission became positive after 3 days of incubation with a short gram-negative bacillus.

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Author Information

Adam Caulfield, Ph.D., D(ABMM), Technical Director of Microbiology, Corewell Health.
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