title: [Progostic value of positive QRS complexes in a vr lead].
mesh_terms: D002908:Chronic Disease; D004562:Electrocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000401:mortality; D006331:Heart Diseases / Q000175:diagnosis* / Q000401:mortality; D006801:Humans; D011379:Prognosis; D011660:Pulmonary Heart Disease / Q000175:diagnosis
vernacular_title: Wartośc rokownicza dosatnich zespołów QRS w odprowadzeniu aVR