title: Two-year survival of patients with ventricular ectopic beats classified according to site of origin of the ectopic beats.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000401:mortality* / Q000503:physiopathology; D005260:Female; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged