“…As widely showed in the literature concerning heart rate variability [ 1 , 2 , 3 , 4 ], computerized signal processing techniques proved to be an effective way to detect different types of cardiovascular disorders. Indeed, the processing and computerized analysis of heart rate signals, with particular regard to the heart rate variability (HRV), contributed to enhance the diagnostic value brought by the clinical diagnostic techniques, by providing additional information and data that can support the clinical decision-making and leading to standardized, reliable, and early diagnoses [ 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 ].…”