Role of the compensatory pause in the production of concealed bigeminy.
D000818:Animals; D005117:Cardiac Complexes, Premature / Q000209:etiology / Q000503:physiopathology*; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D012032:Refractory Period, Electrophysiological