A Unique Case of Tri-Valvular Serratia marcescens Infective Endocarditis Complicated by Innumerable Emboli


North Florida


Ocala Regional Medical Center

Document Type

Case Report

Publication Date



bacteremia, infective endocarditis, Serratia marcescens


Bacterial Infections and Mycoses | Internal Medicine


Serratia marcescens (S. marcescens) is a gram negative bacterium rarely associated with cases of infective endocarditis (IE). Involvement of three cardiac valves, as evidenced by echocardiography, is uncommon as well. S. marcescens IE and tri-valvular endocarditis have been rarely described in literature. We report a unique case of S. marcescens tri-valvular IE in a 42-year-old female with sudden altered mental status and no underlying structural heart disease complicated by embolic infarcts in both cerebral and cerebellar hemispheres, and a sub-arachnoid hemorrhage. To our knowledge, this is the first reported case of tri-valvular S. marcescens IE. We believe this report will add to the growing literature of rare bacterial IE and considering this in the differential in the right clinical scenario.

Publisher or Conference

Journal of Medical Cases