• No results found

heart rate variability measures

Residual heart rate variability measures can better differentiate patients with acute myocardial infarction from patients with patent coronary artery

Residual heart rate variability measures can better differentiate patients with acute myocardial infarction from patients with patent coronary artery

... studied. PCA was defined as without stenosis or with luminal narrowing ,30%. Patients with diabetes mellitus, atrial fibrillation, coexisting valvular heart diseases, cardiac conduction abnormalities, and liver ...

9

Differential Association of Adiposity Measures with Heart Rate Variability Measures in Koreans

Differential Association of Adiposity Measures with Heart Rate Variability Measures in Koreans

... adiposity measures and metabolic CV risk ...adiposity measures and HRV indices, and compared statistical signifi- cance of the difference between two correlation ...adiposity measures in predicting ...

7

Effects of exergames on the variability of the heart rate of university students

Effects of exergames on the variability of the heart rate of university students

... the variability of the heart rate (HRV) in young ...V800® heart rate monitors in both groups in two moments, before and after 11 weeks and the data was transferred to the Kubios® ...

6

Area asymmetry of heart rate variability signal

Area asymmetry of heart rate variability signal

... Several measures have been developed to assess the asymmetry of Poincaré plot (or termed as heart rate asymmetry, HRA), ...(GI) measures the asymmetry based on the cumulative distance of each ...

14

Study of heart rate variability changes in smokers

Study of heart rate variability changes in smokers

... to heart attacks, chronic obstructive pulmonary disease, cancer, peripheral vascular disease, hypertension and the list is endless It contains nicotine which causes Cigarette smoking contributes to the loss of ...

6

Ultra short entropy for mental stress detection

Ultra short entropy for mental stress detection

... are measures of signals’ complexity and are widely used in Heart Rate Variability (HRV) ...entropy measures are considered not reliable for recordings shorter than 5 minutes and ...

8

Repeated measures of inflammation, blood pressure, and heart rate variability associated with traffic exposures in healthy adults

Repeated measures of inflammation, blood pressure, and heart rate variability associated with traffic exposures in healthy adults

... negative associations were found for LF and HF separ- ately in our study. It should be noted that the range in the LF and HF measurements was very large, which could contribute to this discrepancy. It is also interesting ...

12

Heart Rate Variability in Cirrhosis Liver.

Heart Rate Variability in Cirrhosis Liver.

... with measures of heart rate variability, studied 21 patients being evaluated for liver ...transplantation. Heart rate variability was determined for a series of 500 ...

58

Automatic prediction of cardiovascular and cerebrovascular events using heart rate variability analysis

Automatic prediction of cardiovascular and cerebrovascular events using heart rate variability analysis

... HRV measures was high compared to the instances and some of them were strongly correlated, we adopted a chi-squared statistics[44] and a correlation-based [45] feature selection methods to filter out irrelevant ...

14

Baseline Assisted Classification of Heart Rate Variability

Baseline Assisted Classification of Heart Rate Variability

... ECG data are collected from 39 subjects and RR intervals are derived from ECG data using Firstbeat analysis software to compute HRV metrics. These metrics are utilized as features in a logistic regression, SVM, decision ...

105

HEART RATE VARIABILITY ANALYSIS: A REVIEW

HEART RATE VARIABILITY ANALYSIS: A REVIEW

... using measures of chaos has attracted the scientific community to apply these tools in studying physiological systems, and HRV is no ...the heart during VF may be made visible in the surface ECG using ...

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 ...

8

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

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

... ECG measures under stable and provocative conditions; and (b) evaluate the validity of HRM-derived indices of HRV against ECG-derived HRV measures in the temporal and power spectral domains under stable and ...

22

Acute mental stress assessment via short term HRV analysis in healthy adults : a systematic review with meta analysis

Acute mental stress assessment via short term HRV analysis in healthy adults : a systematic review with meta analysis

... short-term Heart Rate Variability (HRV) measures in time, frequency and non-linear ...HRV measures during mental ...HRV measures, 9 of which reported by at least 2 studies and ...

14

Effects of 60 Hz magnetic fields on teenagers and adults

Effects of 60 Hz magnetic fields on teenagers and adults

... [20]. Heart rate, respiration rate, and HRV were obtained with a computerised polygraph (PolyG-I, Laxtha, Daejeon, Korea) with a sampling frequency of 512 ...

8

Short-term Heart Rate Turbulence Analysis Versus Variability and Baroreceptor Sensitivity in Patients With Dilated Cardiomyopathy

Short-term Heart Rate Turbulence Analysis Versus Variability and Baroreceptor Sensitivity in Patients With Dilated Cardiomyopathy

... discrimination rate for the entire group examined, a future clinical study should be aimed at verifying the prognostic value of the variability parameters and baroreceptor ...

14

Heartbeat rate and heart rate variability Extraction using ultrasonic transducer

Heartbeat rate and heart rate variability Extraction using ultrasonic transducer

... Related works tend to extract the average heartbeat rate for a specific window. This does not provide information about the variation of the HR in time, i.e. the HRV. Thus, a peak detection technique is required ...

6

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

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

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

... The autonomic nervous system plays an important role not only in physiological situations, but also in various pathological settings such as diabetic neuropathy, myocardial infarction and congestive heart failure. ...

5

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