... Heart Rate Turbulence (HRT) analysis, T Wave Alternans analysis, QT Dispersion analysis, Heart Rate Variability (HRV) analysis, and ... performance of ST analysisAdvanced diagnostic tools for analysis of QT Dispersion, HRV(time domain,frequency domain,Lorenz plot), ... atrial flutter as well definition and color display accordingly QT Dispersion: To predict happening of serious supraventricular arrhythmia ...