NDLI: On cardiac activity characterization from Implantable Cardioverter Defibrillator electrogram analysis: is far-field better?

Content Provider	IEEE Xplore Digital Library
Author	Casaleggio, A. Rossi, P. Dall'Acqua, A. Faini, A. Sartori, G. Musso, G. Mureddu, R. Casali, E. Malavasi, V. Chierchia, S.
Copyright Year	2002
Description	Author affiliation: ICE-CNR, Genova, Italy (Casaleggio, A.)
Abstract	The new generation of Implantable Cardioverter Defibrillators (ICDs) allows storage of intracardiac electrograms (EGMs) recorded immediately before the onset of malignant ventricular tachyarrhythmias (VTs) and during their course. Although all devices base most of diagnostic parameters on the bipolar EGMs, some of them allow two types of EGM recordings: bipolar (potential is obtained between two electrodes at the tip of the electrocatheter) and far-field (potential is recorded between the tip of the electrocatheter and the active can device). The main objective of this work is to study which differences can be observed from the analysis of bipolar or far-field EGMs when deterministic chaos methods are being applied to bipolar or far-field EGM recordings. For this analysis we considered 20 EGMs obtained from 6 patients with ICDs. Some of the EGMs contain VT episodes, other are collected in basal heart conditions. Within the limited set of EGM considered in this work, results indicate that far field recordings, monitoring the whole heart activity, allow better characterization of heart substrate, and they are more indicated when deterministic chaos analysis would be applied.
Starting Page	161
Ending Page	164
File Size	338658
Page Count	4
File Format	PDF
ISBN	0780377354
ISSN	02766547
DOI	10.1109/CIC.2002.1166732
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cardiology Heart Cancer Chaos Fibrillation Hospitals Electrocardiography Performance analysis Medical diagnostic imaging Electrodes
Content Type	Text
Resource Type	Article

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