title: Exposure of the canine proximal AV conducting system for electrophysiologic studies.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004210:Dissection; D004285:Dogs; D004594:Electrophysiology; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology; D008722:Methods; D008839:Microelectrodes