title: [Vectorcardiographic changes in the infra-atrial rhythm].
mesh_terms: D001281:Atrial Fibrillation / Q000503:physiopathology*; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D014672:Vectorcardiography
vernacular_title: Izmeneniia vektorkardiogrammy pri nizhnepredserdnom ritme.