title: Permanent transvenous synchronous cardiac pacing.
mesh_terms: D000293:Adolescent; D000368:Aged; D000818:Animals; D006328:Cardiac Catheterization / Q000295:instrumentation; D004285:Dogs; D004566:Electrodes; D004867:Equipment Design; D005069:Evaluation Studies as Topic; D005260:Female; D006327:Heart Block / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial