STATISTICAL VALIDATION OF THE AMPLITUDE VARIABILITY MODEL OF ELECTROCARDIOGRAPHIC SIGNAL
This study conducted comprehensive validation of the mathematical model of the discrete amplitude variability function for characteristic electrocardiographic wave peaks using clinical data from patients with myocardial ischemia, supraventricular arrhythmia, ventricular tachycardia, and normal sinus rhythm. The research investigated the stationarity of the amplitude variability function using the Augmented Dickey-Fuller test and distribution normality using the Anderson-Darling test on electrocardiogram recordings from the PhysioNet database.