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Direct Recording of Concealed Ventricular Extrasystoles Producing Pacer Inhibition
Author(s) -
BOWERS MARK,
BERGER MARCIE
Publication year - 2013
Publication title -
journal of cardiovascular electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.193
H-Index - 138
eISSN - 1540-8167
pISSN - 1045-3873
DOI - 10.1111/jce.12146
Subject(s) - medicine , intracardiac injection , cardiology
Demonstration of Concealed Ventricular Ectopy We report a case of concealed extrasystoles recorded from a pacing lead. The concealed extrasystoles were observed with right ventricular pacing, biventricular unipolar, and biventricular bipolar pacing. The simultaneous surface EKG did not show manifest ventricular extrasystoles with the concealed intracardiac potentials. This case highlights a cause of oversensing that has been theoretically reported in the literature but never directly observed.