title: Electrophysiologic studies in Mobitz type II second degree heart block.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D000368:Aged; D001285:Atropine; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial
chemical_list: D001285:Atropine