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[THE ONSET OF INFECTIOUS ENDOCARDITIS WITH NEUROLOGICAL SYMPTOMS].

Despite the well known clinical and laboratory signs of infectious endocarditis, it remains one of the most difficult conditions in terms of diagnostics. A cause of its late diagnostics is polymorphism of the clinical picture accompanied, especially at early stages, by clinical “masks” (cardiac, pulmonary, renal, cerebral, etc.). We report a case of atypical onset of the disease with multiple thromboembolism of cerebral arteries, minimal clinical manifestations, and rapid destruction of the mitral valve that required surgical intervention.