title: Free-floating density.
authors.affiliation: Department of Cardiothoracic Anesthesiology, The Cleveland Clinic Foundation, OH 44195-5076, USA.
authors.forename: C G
authors.initials: CG
authors.lastname: Koch
authors.forename: M J
authors.initials: MJ
authors.lastname: Capdeville
mesh_terms: D003328:Coronary Thrombosis / Q000000981:diagnostic imaging*; D017548:Echocardiography, Transesophageal; D006801:Humans; D008297:Male; D008875:Middle Aged; D013923:Thromboembolism / Q000000981:diagnostic imaging*