title: High-grade ventricular ectopic activity and 5-year survival in patients with chronic heart disease and in healthy subjects.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000401:mortality*; D002908:Chronic Disease; D003327:Coronary Disease / Q000175:diagnosis / Q000401:mortality*; D004562:Electrocardiography / Q000379:methods; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012189:Retrospective Studies