3Perkiomaki J,Koistinen M J,Ylt-Mayrs S.Dispersion of QT interval in patients with and without susceptibility to ventricular tachyarr-hythmias after previous mycoardial infarction[J].JACC,1995(26):174.
4Farell T G,Bashir Y,Cripps T,et al.Risk of stratification for arrhythmic events in post-infarction patients based on heart rate variability,ambulatory electrocardiographic variables and the signal-averaged electrocardiogram[J].J Am Coll Cardiol,1991,18:687-697.