title: [Indications for the use of additional ECG leads].
mesh_terms: D000368:Aged; D004562:Electrocardiography / Q000295:instrumentation*; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D008722:Methods; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000175:diagnosis
vernacular_title: O pokazaniiakh k primeneniiu dopolnitel'nykh otvedeniĭ elektrokardiogrammy.