Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats

Jean Philippe Couderc, A. Elder, Christopher Cox, W. Zareba, G. Oberdorster

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Radio-telemetry technique used to record electro - physiological signals in animals is broadly used in experimental studies. Using implantable probes, this technique can record electrocardiographic (ECG) signals without disturbing animal activities. In this study, we investigated the stability of heart rate variability (HRV) parameters computed from radio-telemetry ECG recordings in unrestrained rats. The experiment involved 4 normal rats in which ECGs were recorded during baseline conditions with and without drug-induced autonomie blockade. The study revealed that the stability of HRV estimators for both time and frequency domains analysis in unrestrained rats was highly dependent on the average heart rate (related to physical rats activity) as well as the length of the ECG recording.

Original languageEnglish (US)
Title of host publicationComputers in Cardiology
EditorsA. Murray
Pages589-592
Number of pages4
Volume29
StatePublished - 2002
Externally publishedYes
EventComputers in Cardiology 2002 - Memphis, TN, United States
Duration: Sep 22 2002Sep 25 2002

Other

OtherComputers in Cardiology 2002
CountryUnited States
CityMemphis, TN
Period9/22/029/25/02

Fingerprint

Telemetry
Time domain analysis
Telemetering
Power spectrum
Rats
Heart Rate
Radio
Animals
Frequency domain analysis
Electrocardiography
Pharmaceutical Preparations
Experiments

ASJC Scopus subject areas

  • Software
  • Cardiology and Cardiovascular Medicine

Cite this

Couderc, J. P., Elder, A., Cox, C., Zareba, W., & Oberdorster, G. (2002). Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats. In A. Murray (Ed.), Computers in Cardiology (Vol. 29, pp. 589-592)

Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats. / Couderc, Jean Philippe; Elder, A.; Cox, Christopher; Zareba, W.; Oberdorster, G.

Computers in Cardiology. ed. / A. Murray. Vol. 29 2002. p. 589-592.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Couderc, JP, Elder, A, Cox, C, Zareba, W & Oberdorster, G 2002, Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats. in A Murray (ed.), Computers in Cardiology. vol. 29, pp. 589-592, Computers in Cardiology 2002, Memphis, TN, United States, 9/22/02.
Couderc JP, Elder A, Cox C, Zareba W, Oberdorster G. Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats. In Murray A, editor, Computers in Cardiology. Vol. 29. 2002. p. 589-592
Couderc, Jean Philippe ; Elder, A. ; Cox, Christopher ; Zareba, W. ; Oberdorster, G. / Limitations of power-spectrum and time-domain analysis of heart rate variability in short-term ECG recorded using telemetry in unrestrained rats. Computers in Cardiology. editor / A. Murray. Vol. 29 2002. pp. 589-592
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