title: The gap phenomena during retrograde conduction in man.
mesh_terms: D002037:Bundle-Branch Block / Q000503:physiopathology; D006328:Cardiac Catheterization; D003327:Coronary Disease / Q000150:complications; D004562:Electrocardiography; D006325:Heart Atria; D006327:Heart Block / Q000209:etiology / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D010138:Pacemaker, Artificial; D012032:Refractory Period, Electrophysiological; D013997:Time Factors