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International Journal of Electronics and Electical Engineering

Abstract

Heart Rate Variability (HRV) is a physical phenomenon where the time interval between heart beats varies. It is measured by the variation in the beat to beat interval. Abnormalities present in the time interval between R wave peaks in the Electro-cardiogram (ECG) indicate cardiac dysfunction. Autonomic Nervous System controls the cardiac activity of the body and provides the beat to beat regulation of the cardiovascular system. Thus Heart Rate Variability is an important tool to access autonomic function also. The source for HRV is a continuous beat to beat measurement of interbeat intervals. An ECG signal can be used as the data source for HRV analysis. In this study the HRV data is obtained from ECG signal and is processed to calculate spectral HRV index, LF/HF ratio.

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