Japanese Journal of Electrocardiology
Online ISSN : 1884-2437
Print ISSN : 0285-1660
ISSN-L : 0285-1660
A Case of Sick Sinus Syndrome with Transient Pacing and Sensing Failure a Few Days after Pacemaker Implantation
Mai FujiiHirokazu ShiraishiKeishi OguraTomomi SekineYoshifumi YagiMikimasa ImaiTetsuro HamaokaAkiteru KojimaAkira KuroyanagiNaohiko NakanishiTakeshi NakamuraTetsuhiro YamanoAkiyoshi MatsumuroTakeshi Shirayama
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2016 Volume 36 Issue 3 Pages 198-206

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Abstract

A 66-year-old female was admitted to our hospital for the treatment of cardiogenic cerebral infarction. She had a history of paroxysmal atrial fibrillation. Ambulatory monitoring revealed cardiac arrest for 11.4sec.A DDD pacemaker was implanted normally (P amplitude 6.1mV, pacing threshold 0.5V/0.4msec). Three days after the implantation, pacing failure was observed. P wave was not sensed at 0.15mV sensitivity, and the pacing threshold was more than 8V/1.0msec. Seven days after implantation, P wave amplitude and pacing threshold returned to their initial values at the time of implantation. Local myocardial injury due to tined lead tip could be a cause of transient atrial damage.

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© 2016 Japanese Heart Rhythm  Society
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