A New, Fast, and Robust Index for Heart Rate Variability Analysis
UNIVERSITAT POLITECNICA DE CATALUNYA BARCELONA (SPAIN) DEPARTAMENT D'ENGINYERIA ELECTRONICA
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The acceleration change index ACI to describe heart rate variability HRV is presented. It is calculated from the parameters of a time series derived from the RR time series. Evaluating the ACI for simulated signals shows that it correlates with their fractal dimensions. Evaluating the ACI for records from healthy subjects shows that it decreases with periodical breathing and increases during exercise. When the ACI is applied to records from commercial ECG databases, it can discriminate healthy subjects from subjects who had suffered ventricular tachycardia andor fibrillation and from subjects with myocardial ischemia.
- Anatomy and Physiology
- Medicine and Medical Research
- Statistics and Probability