title: Atrial rate response to ventricular pacing in the unanesthetized A-V blocked dog.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000209:etiology; D000818:Animals; D001794:Blood Pressure; D004285:Dogs; D005725:Ganglia, Autonomic / Q000503:physiopathology; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000503:physiopathology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006584:Hexamethonium Compounds / Q000494:pharmacology; D010138:Pacemaker, Artificial; D011311:Pressoreceptors / Q000503:physiopathology; D011433:Propranolol / Q000494:pharmacology; D012018:Reflex; D012601:Scopolamine / Q000494:pharmacology; D013564:Sympathetic Nervous System / Q000503:physiopathology; D013997:Time Factors
chemical_list: D006584:Hexamethonium Compounds; D011433:Propranolol; D012601:Scopolamine