title: [Indications for and the goals of the intracavitary electrophysiological study of the heart].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000503:physiopathology; D006328:Cardiac Catheterization; D002304:Cardiac Pacing, Artificial / Q000379:methods; D004562:Electrocardiography / Q000379:methods; D004594:Electrophysiology; D006321:Heart / Q000503:physiopathology*; D006801:Humans
vernacular_title: Pokazaniia i tseli na intrakavitarnoto elektrofiziologichno izsledvane na sŭrtseto.