title: Digital echocardiography: the guiding role of Harvey Feigenbaum.
authors.affiliation: Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA. thomasj@ccf.org
authors.forename: James D
authors.initials: JD
authors.lastname: Thomas
mesh_terms: D004452:Echocardiography / Q000266:history* / Q000295:instrumentation*; D015150:Echocardiography, Doppler / Q000266:history; D004867:Equipment Design; D049673:History, 20th Century; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000295:instrumentation*; D011873:Radiology Information Systems / Q000295:instrumentation*; D012680:Sensitivity and Specificity