نتایج جستجو برای: heart rate variability signal
تعداد نتایج: 1762530 فیلتر نتایج به سال:
Abstract: Background: Hear rate turbulence, Disturbances in Vagal activity and reduced heart rate variability (HRV) is observed in individuals after coronary artery bypass grafting. Exercise training is recommended to improve these failures. Therefore, the aim of this study was to investigate the effects of interval exercise training on heart rate recovery (HRR) and heart rate variability af...
Heart rate variability during cardiovascular reflex testing: the importance of underlying heart rate
The Fetal Heart Rate interpretation based on Cardiotocographies (CTG) is the most common practice of obstetrician medical staffs. Computerized CTG Systems are used with the aim to reduce subjective aspects of these diagnostics. The Fetal Heart Rate Variability (FHRV) analysis using the CTG signal is an unusual approach. This work proposes a FHRV analysis based on the evaluation of time domain p...
An alternative DSS which models the behaviour of the Heart Rate Variability (HRV) signal linked to stable (NREM) and instable (REM) cerebral waves during sleep and a probabilistic model of the sleep stages transitions for decision was developed. Time-Varying Autoregressive Models (TVAMs) were used as feature extractor while Hidden Markov Models (HMM) was used as time series classifier. 24 full ...
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