title: ECG of the month: sinus arrhythmia with a single ventricular escape complex.
mesh_terms: D000747:Anemia, Hypochromic / Q000503:physiopathology / Q000662:veterinary; D000818:Animals; D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000662:veterinary*; D004283:Dog Diseases / Q000175:diagnosis*; D004285:Dogs; D004562:Electrocardiography / Q000662:veterinary*; D008297:Male