Quantification of respiratory sinus arrhythmia using Hilbert-Huang transform

Terry B J Kuo, Cheryl C H Yang, Norden E. Huang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

To investigate whether the first intrinsic mode function, obtained from Hilbert-Huang transform (HHT), of heart rate variability is respiratory related. Electrocardiogram and chest circumference signals were recorded from 10 healthy subjects at supine rest. The HHT was applied to both R-R interval and chest circumference signals to figure out their first intrinsic mode functions (C1RR and C1RESP, respectively) from which the instantaneous amplitude, phase, and frequency were calculated. Although the instantaneous amplitudes and frequencies of C1RR and C1 RESP were variable, linear regression analysis indicated a phase lock between C1RR and C1RESP. Intake of 500 ml water significantly elevated the amplitude ratio of C1RR to C1 RESP; however, the phase difference of C1RR to C1 RESP was still unchanged. The data indicate that the first intrinsic mode function of heart rate variability is respiratory related and may be equivalent to respiratory sinus arrhythmia. As compared to fast Fourier transform, HHT of respiratory sinus arrhythmia provides a comparative spatial measurement with a much higher temporal resolution.

Original languageEnglish
Pages (from-to)295-307
Number of pages13
JournalAdvances in Adaptive Data Analysis
Volume1
Issue number2
DOIs
Publication statusPublished - Apr 2009
Externally publishedYes

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Electrocardiography
Linear regression
Regression analysis
Fast Fourier transforms
Water

Keywords

  • autonomic nervous system
  • electroencephalogram
  • Heart rate variability
  • respiration

ASJC Scopus subject areas

  • Computer Science Applications
  • Information Systems

Cite this

Quantification of respiratory sinus arrhythmia using Hilbert-Huang transform. / Kuo, Terry B J; Yang, Cheryl C H; Huang, Norden E.

In: Advances in Adaptive Data Analysis, Vol. 1, No. 2, 04.2009, p. 295-307.

Research output: Contribution to journalArticle

Kuo, Terry B J ; Yang, Cheryl C H ; Huang, Norden E. / Quantification of respiratory sinus arrhythmia using Hilbert-Huang transform. In: Advances in Adaptive Data Analysis. 2009 ; Vol. 1, No. 2. pp. 295-307.
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