Ventricular fibrillation masquerading as ventricular standstill.
D000818:Animals; D003937:Diagnosis, Differential; D004285:Dogs; D004594:Electrophysiology; D006331:Heart Diseases / Q000175:diagnosis*; D006352:Heart Ventricles / Q000503:physiopathology; D014693:Ventricular Fibrillation / Q000175:diagnosis*