FRIDAY, July 16 (HealthDay News) -- The presence of "ghosts" -- or intracardiac masses noted on echocardiography after device removal -- suggests device infection and may be associated with cardiac device-related infective endocarditis (CDRIE); these ghosts are present in 8 percent of patients after percutaneous device removal, according to research published in the July issue of the Journal of the American College of Cardiology: Cardiovascular Imaging.