heart rate variability studies
Heart rate variability in healthy term newborns is related to delivery mode: a prospective observational study
... The lowest values of HF power observed early after delivery in the CS group could be important for future clinical observations. In particular, vagal abnormalities early after birth are associated with higher risk of ...
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Area asymmetry of heart rate variability signal
... of heart rate (HR) [7, 8], ...vious studies have indicated that the Poincaré plot is physiologically asymmetric with respect to line of identity (the line on which the current heartbeat interval is ...
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Low heart rate variability relates to the progression of gastric cancer
... [5]. Studies across the world focus on the application of HRV data in treatment and prognosis of coronary heart disease and diabetes [6 – ...However, studies on HRV in GC patients are ...
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Qi Gong and Heart Rate Variability: A Systematic Review
... the studies used in this review, HRV analysis can be per- formed with different equipment, and finally the age differences of the experi- mental groups in the studies, studies with similar methods ...
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HEART RATE VARIABILITY ANALYSIS: A REVIEW
... Recent studies have also stressed the importance of non- linear techniques to study HRV in issues related to both health and ...the heart during VF may be made visible in the surface ECG using wavelet ...
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Study of heart rate variability in young adults of different blood groups
... Heart rate variability (HRV) provides a window to autonomic modulation of the ...population studies, decreased HRV has had predictive value for mortality among healthy ...
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The Effect of Sex on Heart Rate Variability at High Altitude
... published studies on HRV at HA have utilised spontaneous non-paced breathing, hence were keen to utilise a comparative methodology ...HRV studies to date, hence the potential challenge to paced breathing ...
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Baseline Assisted Classification of Heart Rate Variability
... While heart rate defines the number of beats per minute, heart rate variability (HRV) quantifies the variation in time between consecutive heartbeats and is measured based on R-R ...
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Normative references of heart rate variability and salivary alpha-amylase in a healthy young male population
... measurements, heart rate is typically continuously recorded for 12 to 24 ...some studies performed measure- ments in sample sizes of 1,000 individuals ...
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Heart Rate Variability in Cirrhosis Liver.
... filtration rate, and increased sodium and water reabsorption, and may progress into the hepatorenal syndrome, a functional and potentially reversible renal impairment in severely ill patients ...(22). ...
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Pitfalls of assessment of autonomic function by heart rate variability
... of heart rate variability (HRV) is widely used as a standard method for assessing autonomic nervous func- ...HRV studies were published, including a lot of evi- dence indicating important ...
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Key-Words Heart Rate Variability, Physiology of Heart Rate Variability, Nonlinear techniques.
... - Heart rate variability (HRV) is a measure of the balance between sympathetic mediators of heart rate that is the effect of epinephrine and norepinephrine released from sympathetic ...
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Effects of exergames on the variability of the heart rate of university students
... is heart rate variability (HRV) (Buchheit and Gindre, ...consecutive heart beats (RR intervals), which are related to autonomic nervous system influences on the sinus node, being a noninvasive ...
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The effect of Sex on Heart Rate Variability at High Altitude
... published studies on HRV at HA have utilised spontaneous non-paced breathing, hence were keen to utilise a comparative methodology ...HRV studies to date, hence the potential challenge to paced breathing ...
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Biology and therapy of fibromyalgia Stress, the stress response system, and fibromyalgia
... Different studies have shown that the FM groups have mean values significantly different from control groups, but there is considerable overlap between patients and control ...the heart rate ...
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Individual differences in heart rate reveal a broad range of autonomic phenotypes in a free living seabird population
... Our demonstration of consistent individual autonomic phenotypes in a wild free-living animal points to autonomic activity as a key neural mechanism driving broad phenotypic variation in natural populations, which has ...
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Short-term Heart Rate Turbulence Analysis Versus Variability and Baroreceptor Sensitivity in Patients With Dilated Cardiomyopathy
... short-term heart rate turbulence analysis in comparison to variability and spontaneous baroreceptor sensitivity analysis for characterising patients with dilated cardiomyopathy (DCM) and healthy ...
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Finding alternative ways to measure mental workload while driving
... respiration rate of a driver (De Waard, ...respiration rate changes with changing levels of mental workload (Wilson, Fullenkamp & Davis, ...respiration rate to increase and the respiration depth ...
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Heart Rate Variability Analysis System In Mobile Phone
... The processing of a digital signal can be implemented on various platforms such as DSP processor, a customized very large scale integrated (VLSI) circuit or a general purpose microprocessor .Some of the difference ...
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Acute Effects of the Training Mask on Short-Term Recovery During Rowing Intervals
... The purpose of the present study is to examine the effects of the Training Mask on heart rate, heart rate variability (variability in time between subsequent heart beats), heart rate r[r] ...
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