title: [Electrophysiologic studies of the heart conduction system of patients with the paroxysmal form of atrial fibrillation and the sick sinus syndrome].
mesh_terms: D000328:Adult; D001281:Atrial Fibrillation / Q000503:physiopathology*; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D012804:Sick Sinus Syndrome / Q000503:physiopathology*
vernacular_title: Elektrofiziologicheskie issledovaniia provodiashcheĭ sistemy serdtsa u bol'nykh s paroksizmal'noĭ formoĭ mertsatel'noĭ aritmii i sindromom slabosti sinusovogo uzla.