title: [ECG changes after heart surgery using extracorporeal circulation].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005112:Extracorporeal Circulation; D006327:Heart Block / Q000209:etiology*; D006330:Heart Defects, Congenital / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications
vernacular_title: Zmeny na EKG po operácii srdca v mimotelovom obehu.