title: Questions about ECG interpretations.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000139:chemically induced / Q000662:veterinary*; D004283:Dog Diseases / Q000139:chemically induced*; D004285:Dogs; D004562:Electrocardiography / Q000662:veterinary*; D006327:Heart Block / Q000503:physiopathology / Q000662:veterinary*