title: A heart in the heart.
authors.affiliation: Anesthesia Service, Clement J. Zablocki Veterans Affairs Medical Center, Milwaukee, WI.
authors.forename: Paul S
authors.initials: PS
authors.lastname: Pagel
mesh_terms: D000368:Aged; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging / Q000601:surgery; D017548:Echocardiography, Transesophageal; D006321:Heart / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000000981:diagnostic imaging