Navigating diagnostic challenges in Bartonella-induced infective endocarditis: a case report.

Background: Blood culture-negative infective endocarditis presents a significant clinical and diagnostic challenge owing to its atypical presentation and difficulty in identifying causative pathogens. Bartonella henselae, a rare cause of blood culture-negative infective endocarditis, can further complicate its diagnosis and treatment.

Case Presentation: This case report describes the intricate diagnostic journey and therapeutic challenges encountered in a 65-year-old Tunisian female diagnosed with Bartonella henselae-induced infective endocarditis.