title: ECG of the month.
authors.affiliation: Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison 53706.
authors.forename: R A
authors.initials: RA
authors.lastname: Henik
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000503:physiopathology*; D004285:Dogs; D004562:Electrocardiography / Q000662:veterinary*; D006338:Heart Neoplasms / Q000150:complications / Q000503:physiopathology / Q000662:veterinary*; D006339:Heart Rate; D006394:Hemangiosarcoma / Q000150:complications / Q000503:physiopathology / Q000662:veterinary*; D008297:Male; D010490:Pericardial Effusion / Q000209:etiology / Q000503:physiopathology / Q000662:veterinary*