title: Intraventricular conduction time (H-V interval) during antegrade conduction in patients with heart block.
mesh_terms: D000368:Aged; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000175:diagnosis / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D011379:Prognosis; D013997:Time Factors