• No results found

heart rate variability time series

Non-steady time series analysis in the developing embryo

Non-steady time series analysis in the developing embryo

... Velocity Time Series From Video Tape Reconstruction From Data File i Edit Spurious Information from Velocity Data + 1 Generate I Variability Peak Amplitude Heart Rate Waveforms Variabili[r] ...

151

A Study on Heart Rate Variability Using Time and Frequency Domain

A Study on Heart Rate Variability Using Time and Frequency Domain

... These are based power spectral density (PSD) analysis of the HRV data. The power spectral can be obtained using FFT or wavelet based measures including variances, energies, and entropies. Some pre-processing steps such ...

7

Recovery time and heart rate variability following extreme endurance exercise in healthy women

Recovery time and heart rate variability following extreme endurance exercise in healthy women

... a time series with lower values representing less complexity and greater regularity ...a time series (Richman and Moorman ...nonstationary time scales with a1 reflecting the slope over ...

8

Phase relationships between two or more interacting processes from one dimensional time series  II  Application to heart rate variability data

Phase relationships between two or more interacting processes from one dimensional time series II Application to heart rate variability data

... region. A typical feature of these maps is the existence of relatively sharp cusps pointing away from the diagonal. The origin of this structure can be explained phenomenologically using the basic property of white ...

7

Key-Words Heart Rate Variability, Physiology of Heart Rate Variability, Nonlinear techniques.

Key-Words Heart Rate Variability, Physiology of Heart Rate Variability, Nonlinear techniques.

... for different values ofthe embedding dimension m. Next, calculating the slope of such a curve resultstheoretically in the CD, but as can be seen in the figure, this slope depends on thechoice of m. In fact, the slope ...

16

Heart Rate Variability Analysis and Pathological Detection

Heart Rate Variability Analysis and Pathological Detection

... Frequency Domain Analysis includes the frequency measures on the ECG data and frequency measures involve the spectral analysis of HRV. If the spectrum estimate is calculated from this irregularly time sampled ...

8

Area asymmetry of heart rate variability signal

Area asymmetry of heart rate variability signal

... interval series but this time the actual lengths of the series were ...interval series were constructed by the intervals of consecutive normal R ...

14

HEART RATE VARIABILITY ANALYSIS: A REVIEW

HEART RATE VARIABILITY ANALYSIS: A REVIEW

... of time. Heart rate variability is a noisy time series having self-similar and self affine ...complex time series. Non linear time series methods are ...

16

Baseline Assisted Classification of Heart Rate Variability

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 ...

105

Cross-correlation: A Contrast method for studying fetal cardiovascular time series

Cross-correlation: A Contrast method for studying fetal cardiovascular time series

... List Figure of Figures Page Description Section 1 3 Artery Velocity Profile 1-1 Umbilical 1-2 Variability Time Series Construction a Heart Rate Variability b Peak Velocity Variability c [r] ...

97

Validity of Telemetric Derived Measures of Heart Rate Variability: A Systematic Review

Validity of Telemetric Derived Measures of Heart Rate Variability: A Systematic Review

... derived time-series data were defined as inter- beat interval discrepancies greater than 20 ms (31,68) or greater than 20% between successive beats (99) and, perhaps erroneously, as a difference greater ...

22

Changes in heart rate variability with respect to exercise intensity and time during treadmill running

Changes in heart rate variability with respect to exercise intensity and time during treadmill running

... Prior to spectral analysis, data sets were processed for artefact detection and replacement, then trend removal, and finally low-pass filtering. Artefacts mainly occur due to the running motion and the effect of this on ...

12

SOME EFFECTS OF ALTERED ENVIRONMENTS

SOME EFFECTS OF ALTERED ENVIRONMENTS

... Time course of changes in respiratory rate, heart rate, and rectal tempera- ture in a series of 69 term infants. Note the abrupt rise in heart rate immediately after birth with gradual d[r] ...

12

Heart rate variability in healthy term newborns is related to delivery mode: a prospective observational study

Heart rate variability in healthy term newborns is related to delivery mode: a prospective observational study

... The neonatal HRV is characterized by certain physio- logical mechanisms. Specifically, respiratory sinus arrhythmia (RSA) represents the most important mech- anism influencing short-term HRV. Two major mecha- nisms are ...

9

Role of cardiac biomarkers in cognitive impairment and functional decline

Role of cardiac biomarkers in cognitive impairment and functional decline

... 10‐second heart rate variability (HRV) with various domains of cognitive function in older participants at risk of cardiovascular ...reaction time (mean difference between low third vs high  ...

181

Study of heart rate variability in young adults of  different blood groups

Study of heart rate variability in young adults of different blood groups

... regional heart cohort study have suggested that in A blood group subjects the incidence of ischemic heart disease may be higher than other blood groups ...

5

Multiscale Poincaré plots for visualizing the structure of heartbeat time series

Multiscale Poincaré plots for visualizing the structure of heartbeat time series

... with heart failure would have a less complex structure by this method than so-called “lone” AF, which is not associated with clinically apparent heart ...

7

Analysis of the development and prediction of the rate of unemployment in selected countries with market and transitive economy

Analysis of the development and prediction of the rate of unemployment in selected countries with market and transitive economy

... employment rate trends in selected territorial ...unemployment rate trends in relation to the total number of available manpower, the number of unposted job applicants and free jobs as well as findings ...

14

Decreased Cardiac Responses to Auditory Stimulation During Prone Sleep

Decreased Cardiac Responses to Auditory Stimulation During Prone Sleep

... Auditory challenges induced significantly less overall changes in heart rate, less heart rate drops, less heart rate variability, as well as fewer and shorter central apneas in the prone[r] ...

7

Low heart rate variability relates to the progression of gastric cancer

Low heart rate variability relates to the progression of gastric cancer

... occurrence rate of approximately 20 per 100,000 persons, accounting for half of all the GC cases globally ...mortality rate among all the common cancers ...

5

Show all 10000 documents...

Related subjects