PMID: 1690403Mar 1, 1990Paper

Analysis of the morphology of the unipolar endocardial paced evoked response

Pacing and Clinical Electrophysiology : PACE
J BrouwerK I Lie

Abstract

In a retrospective study we analyzed the unipolar endocardial evoked response signal (ERS) of 103 patients prior to pacemaker implantation. The objective of this study was to give a complete description of the ERS morphology and to evaluate influences on this morphology of both various electrode characteristics and pacing rate. In addition, spontaneous endocardial signals were studied. The results demonstrate that acute leads had both higher R wave and T wave amplitudes and a faster downslope of the T wave. In the acute leads those with porous titanium carbon coated tips showed a more pronounced T wave. Pacing rate influences the R wave amplitude and the stimulus to T wave interval. Both stimulus to maximum and stimulus to minimum T wave interval show an exponential correlation with the stimulus interval. The interval between maximum and minimum of the T wave and the absolute amplitude of T wave are not influenced by rate. Although there were significant correlations of the spontaneous endocardial signal with the ERS, the predictive value of the spontaneous signal for the ERS morphology is low. Prospective studies will be necessary to confirm the findings in this study.

References

Jan 1, 1979·Pacing and Clinical Electrophysiology : PACE·A A Auerbach, S Furman
Nov 1, 1986·Pacing and Clinical Electrophysiology : PACE·W BouteF H Wittkampf
Feb 1, 1988·Pacing and Clinical Electrophysiology : PACE·A P EconomidesS Gergely
Jun 1, 1988·Pacing and Clinical Electrophysiology : PACE·M W BaigE J Perrins
Jan 1, 1989·Pacing and Clinical Electrophysiology : PACE·T FurukawaJ W Lister
May 1, 1989·Pacing and Clinical Electrophysiology : PACE·P den HeijerW Boute
Mar 1, 1983·Pacing and Clinical Electrophysiology : PACE·R M Donaldson, A F Rickards
Mar 1, 1983·Pacing and Clinical Electrophysiology : PACE·A F RickardsH J Thalen
Nov 1, 1983·Pacing and Clinical Electrophysiology : PACE·R M Donaldson, A F Rickards

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Citations

Oct 1, 2003·Annals of Noninvasive Electrocardiology : the Official Journal of the International Society for Holter and Noninvasive Electrocardiology, Inc·Jan BrouwerArthur A M Wilde
Feb 1, 2003·Japanese Heart Journal·Izzet ErdinlerTanju Ulufer
Feb 7, 2004·Pacing and Clinical Electrophysiology : PACE·Erich EbnerHelmut Hutten
Sep 1, 1993·Pacing and Clinical Electrophysiology : PACE·M K BelzR J Damiano
Jan 1, 1997·Biomedizinische Technik. Biomedical Engineering·V LangM Schaldach
Jan 1, 1997·Biomedizinische Technik. Biomedical Engineering·V LangM Schaldach

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