title: Diagnostic import of QRS notching in high-frequency electrocardiograms of living subjects with heart disease.
mesh_terms: D000328:Adult; D002306:Cardiac Volume; D006332:Cardiomegaly / Q000503:physiopathology; D004562:Electrocardiography; D006331:Heart Diseases / Q000175:diagnosis*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans