title: The relationship between spatial velocity and magnitude electrocardiograms.
mesh_terms: D000328:Adult; D003202:Computers, Analog; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D014672:Vectorcardiography