title: [Diagnosis of focal myocardial changes from the configuration of the ventricular extrasystole QRS complexes in single-pole chest leads and Neb leads].
mesh_terms: D005117:Cardiac Complexes, Premature / Q000175:diagnosis* / Q000473:pathology; D004562:Electrocardiography; D004566:Electrodes; D006352:Heart Ventricles; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000473:pathology; D013909:Thorax
vernacular_title: Diagnostika ochagovykh izmeneniĭ miokarda po konfiguratsii kompleksov QRS zhelodochkovykh ékstrasistol v odnopoliusnykh grudnykh otvedeniiakh i otvedeniiakh po Nebu.