title: [Studies on QRS waves of the spatial magnitude ECG in the left ventricular overloadings (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D001022:Aortic Valve Insufficiency / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography; D016276:Ventricular Function