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open access

Vol 18, No 1 (2011)
Interesting electrocardiograms
Published online: 2011-02-08
Submitted: 2013-01-14
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Complicated Holter tracing with an incidence of inappropriate mode switch due to sensing abnormalities in a patient with dual-chamber pacemaker

Małgorzata Poręba, Stefan Karczmarewicz, Bartłomiej Szwarc, Małgorzata Sobieszczańska, Jerzy Krzysztof Wranicz
Cardiol J 2011;18(1):94-96.

open access

Vol 18, No 1 (2011)
Interesting electrocardiograms
Published online: 2011-02-08
Submitted: 2013-01-14

Abstract

24-hour Holter monitoring of a 59 year-old man with DDDR pacemaker (programmed mode: DDD) implanted for sick sinus syndrome with paroxysmal atrial fibrillation was performed one month after implantation, due to palpitations. Several episodes of rapid pacing of decreasing rate were detected. Intracardiac recording stored in the pacemaker memory had shown episodes of atrial lead oversensing, which led to the mode switch, resulting in DDIR mode. Signals which caused oversensing were not seen in Holter tracing. (Cardiol J 2011; 18, 1: 94-96)

Abstract

24-hour Holter monitoring of a 59 year-old man with DDDR pacemaker (programmed mode: DDD) implanted for sick sinus syndrome with paroxysmal atrial fibrillation was performed one month after implantation, due to palpitations. Several episodes of rapid pacing of decreasing rate were detected. Intracardiac recording stored in the pacemaker memory had shown episodes of atrial lead oversensing, which led to the mode switch, resulting in DDIR mode. Signals which caused oversensing were not seen in Holter tracing. (Cardiol J 2011; 18, 1: 94-96)

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Keywords

DDD pacemaker; Holter monitoring; mode switch; atrial oversensing

About this article
Title

Complicated Holter tracing with an incidence of inappropriate mode switch due to sensing abnormalities in a patient with dual-chamber pacemaker

Journal

Cardiology Journal

Issue

Vol 18, No 1 (2011)

Pages

94-96

Published online

2011-02-08

Bibliographic record

Cardiol J 2011;18(1):94-96.

Keywords

DDD pacemaker
Holter monitoring
mode switch
atrial oversensing

Authors

Małgorzata Poręba
Stefan Karczmarewicz
Bartłomiej Szwarc
Małgorzata Sobieszczańska
Jerzy Krzysztof Wranicz

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