Polarization Potentials Causing Pacemaker Oversensing

Andrzej Okreglicki; Toshio Akiyama; Celeste Ocampo; Dennis Flynn

doi:10.1253/jcj.62.868

Case Report

Polarization Potentials Causing Pacemaker Oversensing

Andrzej Okreglicki, Toshio Akiyama, Celeste Ocampo, Dennis Flynn

Author information

Keywords: After-potential voltage, Junctional potential, Pacemaker oversensing, Polarization potential

JOURNAL FREE ACCESS

1998 Volume 62 Issue 11 Pages 868-870

DOI https://doi.org/10.1253/jcj.62.868

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Abstract

Pacemaker oversensing with inappropriate inhibition is commonly caused by sensing of either T-waves or polarization potentials, which are difficult to distinguish from one another. Decisive evidence, obtained from telemetered electrograms and subthreshold pacing, is presented to support sensing of the polarization potential alone and the exclusion of the T-wave as the cause of oversensing in a patient. (Jpn Circ J 1998; 62: 868 - 870)

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