title: Notching in the QRS complex in the electrocardiograms of sportsmen.
mesh_terms: D000328:Adult; D002302:Cardiac Output; D002306:Cardiac Volume; D006332:Cardiomegaly / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012865:Skiing; D013178:Sports Medicine; D014672:Vectorcardiography