Patent ID: 9585590
Date: 2017-03-07
CPC Classifications: A61B

Claim:
1. Non-transitory computer-readable media having computer-executable instructions embodied thereon that when executed, facilitate a method for automatically providing a notification for ventricular arrhythmias in an individual that are likely to result in sudden cardiac death (SCD), the method comprising: receiving electrocardiography (ECG) signals representative of electrical activity of a heart of the individual; identifying QRS and T wave morphology for isochronic points between substantially-consecutive T waves in the ECG signals; determining a QT dispersion stability index as a function of the QRS and T wave morphology, the determining comprising calculating a moving average of Lyapunov exponents; determining a difference between the QT dispersion stability index and a reference value to detect a presence of instability of QT interval dispersion in the ECG signals, the difference corresponding to a risk of sudden cardiac death (SCD); and providing a notification when an increased risk for SCD is determined.