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Heart Rate Variability (HRV)

Robust Signal Processing in Cardiac Signals: Applications in Heart Rate Variability, Heart Rate Turbulence and Fibrillatory Arrhythmias

Robust Signal Processing in Cardiac Signals: Applications in Heart Rate Variability, Heart Rate Turbulence and Fibrillatory Arrhythmias

... the Heart Rate Variability (HRV), which, in turn, allow to noninvasively assess the control of the HR and its re- lationship with cardiovascular ...mortality. HRV analysis is usually ...

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Effects of Verapamil on Indexes of Heart Rate Variability After Acute Myocardial Infarction

Effects of Verapamil on Indexes of Heart Rate Variability After Acute Myocardial Infarction

... pressed heart rate variability (HRV) may reflect a reduc- tion in vagal activity and lead to cardiac electrical insta- ...increase HRV may be of clinical ...on HRV in post-MI ...

5

The Relationship between heart rate variability and electroencephalography functional connectivity variability is associated with cognitive flexibility

The Relationship between heart rate variability and electroencephalography functional connectivity variability is associated with cognitive flexibility

... examine heart rate variability (HRV), a non-invasive measurement of the interactions between the autonomic nervous system (ANS) and central nervous system (CNS) based on the study of ...

12

Sleep wake differences in heart rate variability during a 105 day simulated mission to Mars

Sleep wake differences in heart rate variability during a 105 day simulated mission to Mars

... the heart is diffi cult to separate from the effect of prolonged exposure to microgravity or other space- related ...the heart are specifi cally altered by long-term confi nement during the 105-d pilot ...

6

Cardiac damage biomarkers and heart rate variability following a 118 km mountain race: relationship with performance and recovery

Cardiac damage biomarkers and heart rate variability following a 118 km mountain race: relationship with performance and recovery

... nonlinear heart rate variability (HRV) were evaluated before and after the ...vagally-mediated HRV were diminished and cardiac autonomic modulation became less com- plex and more ...

8

Modifications of the non linear parameters of the heart rate variability related to the systematic practice of physical exercise

Modifications of the non linear parameters of the heart rate variability related to the systematic practice of physical exercise

... the Heart Rate Variability undergo changes in the values of: Heart Rate, Standard Desviation 1 (SD1), SD2/SD1 ratio, Sample Entropy, Short-term fluctuations α1, Mean line length, ...

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TítuloSpectral Heart Rate Variability analysis using the heart timing signal for the screening of the Sleep Apnea–Hypopnea Syndrome

TítuloSpectral Heart Rate Variability analysis using the heart timing signal for the screening of the Sleep Apnea–Hypopnea Syndrome

... the heart rate in sleep apnea ...the heart rate could by detected by computer analysis and used as a screening tool for SAHS ...the Heart Rate Variability ...

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Heart rate, heart rate variability and salivary cortisol as indicators of arousal and synchrony in clients with intellectual disability, horses and therapist during equine assisted interventions

Heart rate, heart rate variability and salivary cortisol as indicators of arousal and synchrony in clients with intellectual disability, horses and therapist during equine assisted interventions

... were heart rate (HR) and heart rate variability (HRV), ...overall variability (SDNN); sympathicovagal balance (LF/HF ratio) and parasmypathetic tone (RMSSD, ...

7

The acute effect of aquatic exercises on heart rate variability of pregnancy

The acute effect of aquatic exercises on heart rate variability of pregnancy

... The heart rate variability of the volunteers submitted to a session of aquatic physical effort was measured up to 15, 30, 45 and 60 minutes after ...intervention. Heart rate ...

7

Real Time Early Detection of Allergic Reactions based on Heart Rate Variability

Real Time Early Detection of Allergic Reactions based on Heart Rate Variability

... it, HRV has become a very useful tool to not only analyse the heart’s health [MILP12, PMSB11], but also to study other physiological systems [HNVB07] and even to help to diagnose non-cardiac diseases in a ...

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Heart rate variability and surface electromyography of trained cyclists at different cadences

Heart rate variability and surface electromyography of trained cyclists at different cadences

... As for the progressive increase in HR with increasing intensity during the protocols performed at different cadences, this behavior is well described in the literature as being the withdrawal of the vagal component ...

10

Effects of vagotomy on cardiovascular and heart rate variability alterations following chronic normobaric hypoxia in adult rabbits

Effects of vagotomy on cardiovascular and heart rate variability alterations following chronic normobaric hypoxia in adult rabbits

... [15]. Heart rate vari- ability (HRV) indexes in the time and frequency domains have been widely used in humans and animals to estimate the autonomic balance to the heart rate without ...

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El Método del análisis de la entropía de la difusión aplicado a la serie de tiempo variabilidad del ritmo cardíaco (Heart Rate Variability, HRV)

El Método del análisis de la entropía de la difusión aplicado a la serie de tiempo variabilidad del ritmo cardíaco (Heart Rate Variability, HRV)

... tiempo HRV, sino la sucesión dicotómica de ceros y unos estimando así el exponente de escalamiento δ ...secuencia HRV no debe ser tratada como un simple proceso Gaussiano, tal y como aparece en la ...

123

Assessment of cardiovascular autonomic function in patients with spinal cord injury submitted to heart rate variability

Assessment of cardiovascular autonomic function in patients with spinal cord injury submitted to heart rate variability

... the heart rate variability (HRV) in subject with complete spinal cord injury (SCI) at different ...assessment HRV, made from data obtained by record of 15 minutes, generated by the ...

13

Utilidad del ndice ARDI (Auto Regressive Dimensional Index) para evaluar los cambios inducidos por la meditacin yoga sobre la variabilidad de la frecuencia cardiaca

Utilidad del ndice ARDI (Auto Regressive Dimensional Index) para evaluar los cambios inducidos por la meditacin yoga sobre la variabilidad de la frecuencia cardiaca

... of Heart Rate Variability were explored via the Auto-Regressive Dimensionality Index ...to HRV traces recorded before and during meditation with two Yoga ...

8

Hypotension and heart rate variability after resistance exercise performed maximal and submaximal order

Hypotension and heart rate variability after resistance exercise performed maximal and submaximal order

... ABSTRACT The aim of the study was verified the blood pressure responses and the cardiac autonomic modulation after the strength exercise in two different conditions (maximal and submaximal). The subjects were divided in ...

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Anlisis de la Variabilidad de la Frecuencia Cardaca a partir de Seales Fotopletismogrficas

Anlisis de la Variabilidad de la Frecuencia Cardaca a partir de Seales Fotopletismogrficas

... for Heart Rate Variability (HRV) analysis on the basis of Photoplethysmographic (PPG) signals (instead of electro cardiograms) has been ...

9

Carotid body potentiation during chronic intermittent hypoxia: implication for hypertension

Carotid body potentiation during chronic intermittent hypoxia: implication for hypertension

... (BRS), heart rate variability (HRV) and arterial blood pressure in pentobarbital anesthetized rats exposed to CIH for 7, 14, and 21 ...the HRV power spectra suggesting a predominance of ...

9

Pulse rate variability analysis to enhance oximetry as at-home alternative for sleep apnea diagnosing

Pulse rate variability analysis to enhance oximetry as at-home alternative for sleep apnea diagnosing

... Pulse rate variability time series (PRV), also derived from nocturnal oximetry, is consid- ered a surrogate for heart rate variability, which provides both cardiac and respiratory ...

5

Cardiac autonomic activity predicts dominance in verbal over spatial reasoning tasks : results from a preliminary study

Cardiac autonomic activity predicts dominance in verbal over spatial reasoning tasks : results from a preliminary study

... performed a verbal and spatial aptitude test was evaluated. Autonomic function was assessed by means of heart rate variability analysis, before and during the tasks. The results showed that a better ...

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