Up to 30-40% of patients with infective endocarditis have neurological symptoms as a result of embolization. This is a good reminder of the frequency of embolization, and also that infective endocarditis should always be part of the differential when you are evaluating a patient with fever + neurological abnormalities.
Limkakeng AT Jr., Stahmer SA. Cardiovascular II. In Harrigan RA, Ufberg JW, Tripp ML (eds). Emergency Medicine Review: Preparing for the Boards. Elsevier, St. Louis 2010.