Dec 1, 1994

Improved beat-to-beat timing measurements of His-bundle signal

IEEE Transactions on Bio-medical Engineering
A R LeBlanc, A Mokrane

Abstract

A simplified bioelectric model of the atrioventricular (AV) junction is proposed to better understand the underlying biophysical generation of intracardiac His-bundle signal and to analyze the effects of electrocatheter displacements on waveform morphology and estimation of AV node conduction time (AVCT). Based on this model, an inverse problem approach has been developed to estimate electrode displacements occurring in real recordings. A measurement correction method is proposed to improve estimation of AVCT. Results illustrate autonomic influences on AVCT, a phenomenon hardly measured with common techniques.

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Mentioned in this Paper

Myocardial Contraction
Cardiac Chamber Structure
Science of Morphology
Left Bundle Branch of His
Biophysics
Electrode
Signal Processing, Digital
Cardiac Conduction System
Structure of Atrioventricular Node
Electrophysiology (Science)

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