The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
DOI: 10.1109/iembs.2004.1403317
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Laplacian ECG moment of activation detection algorithm during pacing

Abstract: Laplacian ECG (LECG) is a new technique for detecting cardiac electrical activity. An algorithm was designed utilizing ECG QRS complexes to determine where cardiac activity was likely present in the LECG. The recurrent property of ECG is exploited by this new algorithm for the detection of the QRS complexes by cross (auto) correlation. Further, the algorithm calculates the time offset of the LECG signal from the ECG peak. This offset is termed the moment of activation (MoA) and is determined automatically. LEC… Show more

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Cited by 4 publications
(4 citation statements)
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“…This appears to be an inappropriate model in the present study for at least two reasons: (i) the LECG are not always biphasic waveform (doublet) and (ii) the dipoles move along complicated paths. A new approach with high noise immunity was found when the Lead II ECG was used as a reference and correlated with the LECG (Besio et al 2001, Besio 2001, Besio and Kota 2004. The correlation results in leading or lagging times as MOA of the LECG.…”
Section: Discussionmentioning
confidence: 99%
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“…This appears to be an inappropriate model in the present study for at least two reasons: (i) the LECG are not always biphasic waveform (doublet) and (ii) the dipoles move along complicated paths. A new approach with high noise immunity was found when the Lead II ECG was used as a reference and correlated with the LECG (Besio et al 2001, Besio 2001, Besio and Kota 2004. The correlation results in leading or lagging times as MOA of the LECG.…”
Section: Discussionmentioning
confidence: 99%
“…In some cases, the automated procedure for calculating MOA (Besio and Kota 2004) chose an incorrect value. The Lead II ECG QRS wave is about 100 ms in healthy subjects.…”
Section: Discussionmentioning
confidence: 99%
See 2 more Smart Citations