title: [Usefulness of ECG in the evaluation of the left-ventricular function in children with non-cyanotic heart defects].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D006321:Heart / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans
vernacular_title: Przydatność EKG w ocenie lewej komory we wrodzonych bezsiniczych wadach serca u dzieci.