Browsing by Subject "Cor -- Batecs"
Now showing items 21-29 of 29
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Non-linear HRV analysis to quantify the effects of intermittent hypoxia using an OSA rat model
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessIn this paper, a non-linear HRV analysis was performed to assess fragmentation signatures observed in heartbeat time series after intermittent hypoxia (IH). Three markers quantifying short-term fragmentation levels, PIP, ... -
Peripheral heart rate detection based on a monolithic impedance meter
(Universitat Politècnica de Catalunya, 2011-06-27)
Master thesis
Open AccessThe objective of this project is to identify the peripheral heart rate in the arm or hand, using dry electrodes and an impedance converter monolithic, by bioimpedance measures. To perform the project, first has been ... -
Relationship Between Heart Rate Recovery and Disease Severity in Chronic Obstructive Pulmonary Disease Patients
(2020)
Conference lecture
Open AccessChronic obstructive pulmonary disease (COPD) patients exhibit impaired autonomic control which can be assessed by heart rate variability analysis. The study aims to evaluate the cardiac autonomic responses of COPD patients ... -
The Effect of Electrocardiographic Lead Choice on RR Time Series
(2011)
Conference lecture
Restricted access - publisher's policyResults of heart rate variability analysis depend on the quality of the initial RR time series that is measured only in one lead of the ECG. This work shows that RR time series can subtly change from lead ... -
Time-frequency features for impedance cardiography signals during anesthesia using different distribution kernels
(2018-01-23)
Article
Open AccessObjective: This works investigates the time-frequency content of impedance cardiography signals during a propofol-remifentanil anesthesia. Materials and Methods: In the last years, impedance cardiography (ICG) is a ... -
Unconstrained L1-regularized minimization with interpolated transformations for heart motion compensation
(2014)
Conference report
Restricted access - publisher's policyMotion compensation constitutes a challenging issue in minimally invasive beating heart surgery. Since the zone to be repaired has a dynamic behaviour, precision and surgeon's dexterity decrease. In order to solve this ... -
Validity of the Polar V800 monitor for measuring heart rate variability in mountain running route conditions
(2018-03-01)
Article
Open AccessPurpose This study was conducted to test, in mountain running route conditions, the accuracy of the Polar V800™ monitor as a suitable device for monitoring the heart rate variability (HRV) of runners. Method Eighteen ... -
Variations in breathing patterns increase low frequency contents in HRV spectra
(Institute of Physics Publishing, 2000)
Article
Open AccessThis paper shows that variations in breathing patterns broaden heart rate variability (HRV) spectral bands and increase the power amplitude of low-frequency bands. Because of these influences, spectral markers for HRV ... -
Ventilatory threshold prediction by spectral analysis of heart rate variability in incremental maximal tests
(2010)
Conference lecture
Open AccessVentilatory thresholds (VT1 and VT2) are useful in many fields of medicine and sports. Nevertheless, their measurement is cumbersome and needs trained personnel. This work proposes an alternative method to predict VT1, ...
