Localization of an area of maximum refractoriness or "gate" in the ventricular specialized conduction system in man.
D000367:Age Factors; D000368:Aged; D002037:Bundle-Branch Block / Q000503:physiopathology*; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged