A Matlab program to quantify low-SNR pacemaker signals

M. Lipphard, F. Eberhardt, Uwe Wiegand, U. G. Hofmann

Abstract

In an attempt to study the influence of varying distances between bipolar atrial pacemaker electrodes on ventricular far-field oversensing, we have chosen to analyse signals recorded directly from the patients cardiac pacemaker, via its programmer unit, to a digital acquisition board under several test conditions. This data is analysed by a GUI-driven Matlab program for their near- and far-field parameters spike amplitude and width, frequency of occurrence, and average potential shape. Far-field events are displayed together with their preceding near-field over the whole recording period by a raster-plot display. Our Matlab routines were tested on several patients with a DDDR type pacemaker, but an extensive study under controlled conditions is pending.
Original languageEnglish
Pages1-2
Number of pages2
Publication statusPublished - 2002
Event12th Nordic Baltic Conference on Biomedical Engineering and Medical Physics - Reykjavik, Iceland
Duration: 18.06.200222.06.2002

Conference

Conference12th Nordic Baltic Conference on Biomedical Engineering and Medical Physics
Country/TerritoryIceland
CityReykjavik
Period18.06.0222.06.02

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