title: The Frank vectorcardiogram in mitral stenosis and its postoperative changes.
mesh_terms: D000328:Adult; D006332:Cardiomegaly / Q000503:physiopathology; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D006976:Hypertension, Pulmonary / Q000503:physiopathology; D008297:Male; D008946:Mitral Valve Stenosis / Q000503:physiopathology* / Q000601:surgery; D011183:Postoperative Complications / Q000503:physiopathology; D014672:Vectorcardiography