title: Simultaneous recording of timed biplane Frank vectorcardiograms and the His bundle electrogram.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D014672:Vectorcardiography