title: ECG of the month. Exaggerated sinus arrhythmia and wandering pacemaker.
authors.affiliation: Section of Cardiology, Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610-0126, USA.
authors.forename: Carley A
authors.initials: CA
authors.lastname: Saelinger
authors.forename: Amara H
authors.initials: AH
authors.lastname: Estrada
authors.forename: Herbert W
authors.initials: HW
authors.lastname: Maisenbacher
mesh_terms: D000818:Animals; D001146:Arrhythmia, Sinus / Q000175:diagnosis / Q000662:veterinary*; D004283:Dog Diseases / Q000175:diagnosis*; D004285:Dogs; D004562:Electrocardiography / Q000379:methods / Q000662:veterinary*; D006339:Heart Rate; D008297:Male; D012849:Sinoatrial Node / Q000503:physiopathology*