Premature ventricular contractions.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology / Q000662:veterinary*; D004283:Dog Diseases / Q000503:physiopathology*; D004285:Dogs; D006352:Heart Ventricles / Q000503:physiopathology; D009200:Myocardial Contraction