title: An experimental study of ectopic atrial rhythm.
mesh_terms: D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D016275:Atrial Function; D004285:Dogs; D004558:Electric Stimulation; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D066298:In Vitro Techniques