Nonfebrile mitral valve endocarditis due to Neisseria subflava.

Amsel, B J; Moulijn, A C · Chest · 1996

case_report · Level V

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Abstract

Native valve endocarditis normally presents with fever and only later in its course demonstrates dysfunction of the affected valve. We describe a case of endocarditis due to Neisseria subflava, a Gram-negative diplococcal saprophyte of the oral cavity, which was unsuspected clinically and found unexpectedly during a mitral valve operation performed for symptomatic prolapse with regurgitation.

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