Entropy Analysis of RR and QT Interval Variability during Orthostatic and Mental Stress in Healthy Subjects

Entropy Analysis of RR and QT Interval Variability during Orthostatic and Mental Stress in Healthy Subjects

Autonomic activity affects beat-to-beat variability of heart rate and QT interval. The aim of this study was to explore whether entropy measures are suitable to detect changes in neural outflow to the heart elicited by two different stress paradigms. We recorded short-term ECG in 11 normal subjects...

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Bibliographic Details
Main Authors: Mathias Baumert, Barbora Czippelova, Anand Ganesan, Martin Schmidt, Sebastian Zaunseder, Michal Javorka
Format: Article
Language:English
Published: MDPI AG 2014-12-01
Series:Entropy
Subjects:
QT variability
heart rate variability
stress
sympathetic
complexity
Online Access:http://www.mdpi.com/1099-4300/16/12/6384

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