title: [Definition of terms related to the heart rhythm].
mesh_terms: D001145:Arrhythmias, Cardiac; D004562:Electrocardiography; D006329:Heart Conduction System; D006339:Heart Rate; D006801:Humans; D009626:Terminology as Topic
vernacular_title: Opredelenie terminov sviazannykh s serdechnym ritmom.