title: [ELECTROCARDIOGRAPHIC CHANGES IN PATIENTS WITH SUPERIOR VENA CAVA SYNDROME].
mesh_terms: D004562:Electrocardiography; D006801:Humans; D013479:Superior Vena Cava Syndrome; D014652:Vascular Diseases; D014672:Vectorcardiography; D014683:Vena Cava, Superior
keywords: ELECTROCARDIOGRAPHY; VASCULAR DISEASES; VECTORCARDIOGRAPHY; VENA CAVA, SUPERIOR
vernacular_title: ELEKTROKARDIOGRAFICHESKIE IZMENENIIA U BOL'NYKH S SINDROMOM VERKHNE I POLO I VENY.