Technical pitfalls of heart rate variability analysis: Basic Technical Considerations for Accurate Measurement - Couverture souple

Hejjel, László

 
9783639734522: Technical pitfalls of heart rate variability analysis: Basic Technical Considerations for Accurate Measurement
Couverture souple
ISBN 10 : 3639734521 ISBN 13 : 9783639734522
Editeur : GlobeEdit, 2016

Synopsis

Heart rate variability (HRV) analysis is considered a popular, non-invasive method for investigating autonomic regulation of cardiovascular system. However, inappropriate technical conditions can result in false and inaccurate measurement. Present booklet (based on the author’s still applicable PhD Dissertation from 2005) details the effects of analogue corner frequencies, AC notch filtering and sampling rate of uncorrupted and noise-corrupted ECG signals on the accuracy and precision of heart rate interval detection and HRV indices based on hardware and software simulation. Power line notch filtering is highly recommended and a bandwidth of 0.5-20Hz is considered sufficient, since neither of them deteriorate the accuracy and precision of heart rate detection, conversely, they improve it by suppressing unwanted noises and interferences. A sampling rate of 1ms is necessary for correct measurement of variability especially in patients with seriously reduced HRV; however, lower sampling frequency may be satisfactory when higher variability or larger differences are expected. Taking above technical considerations into account can improve the validity of HRV measurement.

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Présentation de l'éditeur

Heart rate variability (HRV) analysis is considered a popular, non-invasive method for investigating autonomic regulation of cardiovascular system. However, inappropriate technical conditions can result in false and inaccurate measurement. Present booklet (based on the author’s still applicable PhD Dissertation from 2005) details the effects of analogue corner frequencies, AC notch filtering and sampling rate of uncorrupted and noise-corrupted ECG signals on the accuracy and precision of heart rate interval detection and HRV indices based on hardware and software simulation. Power line notch filtering is highly recommended and a bandwidth of 0.5-20Hz is considered sufficient, since neither of them deteriorate the accuracy and precision of heart rate detection, conversely, they improve it by suppressing unwanted noises and interferences. A sampling rate of 1ms is necessary for correct measurement of variability especially in patients with seriously reduced HRV; however, lower sampling frequency may be satisfactory when higher variability or larger differences are expected. Taking above technical considerations into account can improve the validity of HRV measurement.

Biographie de l'auteur

Dr. Hejjel is an Associate professor and Head of the Division of Cardiac Surgery, Heart Institute, University of Pécs, Hungary. He habilitated in Multidisciplinary Medical Sciences. His research interests are patient monitoring, biomedical signal analysis, HRV measurement, epicardial pacing, surgery on the aorta, mechanical circulatory support.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
GlobeEdit
Date d'édition
2016
Langue
anglais
ISBN 10 
3639734521
ISBN 13 
9783639734522
Reliure
Broché
Nombre de pages
112
Coordonnées du fabricant
non disponible
Personne responsable
non disponible