title: [Changes in the atrial complex of the vectorcardiogram in patients with rheumatic heart disease complicated by auricular fibrillation].
mesh_terms: D000200:Action Potentials; D000328:Adult; D001281:Atrial Fibrillation / Q000150:complications / Q000503:physiopathology*; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012214:Rheumatic Heart Disease / Q000150:complications / Q000503:physiopathology*; D014672:Vectorcardiography
vernacular_title: Izmeneniia predserdnogo kompleksa vektorkardiogrammy u bol'nykh revmaticheskimi porokami serdtsa, oslozhnennymi mertsatel'noĭ aritmieĭ.