title: Chronotropic effects of ouabain and heart rate on canine atrium in vivo.
mesh_terms: D000818:Animals; D004285:Dogs; D005260:Female; D006325:Heart Atria; D006327:Heart Block / Q000209:etiology / Q000503:physiopathology; D006329:Heart Conduction System / Q000187:drug effects / Q000502:physiology* / Q000503:physiopathology; D006339:Heart Rate; D006352:Heart Ventricles; D008026:Ligation; D008297:Male; D010042:Ouabain / Q000494:pharmacology*; D010138:Pacemaker, Artificial; D011433:Propranolol / Q000494:pharmacology; D013610:Tachycardia / Q000139:chemically induced / Q000503:physiopathology; D013997:Time Factors; D014628:Vagotomy; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D010042:Ouabain; D011433:Propranolol