title: [Diagnosis of the focal changes in the myocardium based on the morphology of the QRS complexes on the ECG in ventricular extrasystoles].
mesh_terms: D000368:Aged; D005117:Cardiac Complexes, Premature / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans
vernacular_title: Diagnostika ochagovykh izmeneniĭ v miokarde na osnovanii morfologii kompleksov QRS na EKG v zheludochkovykh ékstrasistolakh.