title: The Frank vectorcardiogram in left anterior hemiblock.
mesh_terms: D000328:Adult; D000368:Aged; D001024:Aortic Valve Stenosis / Q000150:complications; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis* / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D013997:Time Factors; D014672:Vectorcardiography