title: Adrenergic effects of the QT interval of the electrocardiogram.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000502:physiology*; D006352:Heart Ventricles; D009200:Myocardial Contraction / Q000187:drug effects; D009638:Norepinephrine / Q000494:pharmacology; D013564:Sympathetic Nervous System / Q000502:physiology*
chemical_list: D009638:Norepinephrine; D004837:Epinephrine