title: [Vectorcardiographic analysis of left posterior hemiblock (lead by the Frank system)].
mesh_terms: D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D014672:Vectorcardiography
vernacular_title: Vektorkardiografski analiz na leviia zaden khemiblok (otvezhdane po sistemata na Frank.