We reported a case of blood culture–negative infective endocarditis on a native valve, where the clinical presentation was exclusively related to extensive cerebral ischemia secondary to multiple systemic septic cardioembolic events. The cause was ascribed to subacute Bartonella henselae infection, presumably transmitted by cat scratch, documented by positive serologic findings

Anna Mara Scandroglio, MD

Beatrice Peveri, MD

Francesco Calvo, MD

Jacopo De Cristofaro, MD

Lorenzo Cianfanelli, MD

Luca Baldetti, MD

Mario Gramegna, MD

Silvia Ajello, MD

Stefania Sacchi, MD, PhD

Vittorio Pazzanese, MD

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JACC Case Reports

Cat Scratch Endocarditis