PMID: 6169018May 1, 1981Paper

Autointerference of demand pulse generators

Pacing and Clinical Electrophysiology : PACE
S S Barold, P A Levine

Abstract

We describe in this report two cases of autointerference of demand pacemakers by signals originating within a pulse generator itself rather than the electrode or connection. Restoration of regular fixed rate pacing upon application of the magnet cannot differentiate between an external or internal source of oversensing as exemplified in our two cases. The absence of any visible interference on the surface electrocardiogram and the relatively late appearance of autointerference in the life of a pulse generator may mimic an intermittent fracture (or insulation defect) with over sensing of false signals. Autointerference of demand pacemakers, although rare, should be added to the list of causes producing oversensing and prolongation of the spike-to-spike interval.

References

Apr 1, 1978·Pacing and Clinical Electrophysiology : PACE·J MugicaB Lazarus
Apr 1, 1978·Pacing and Clinical Electrophysiology : PACE·M FalkoffS S Barold
Jul 1, 1977·Circulation·S Furman
Oct 1, 1977·Circulation·S S BaroldR A Heinle
Jul 11, 1976·Circulation·H C HughesG F Tyers
Sep 1, 1973·Canadian Anaesthetists' Society Journal·B A Saunders, L C Jenkins
Dec 1, 1970·Circulation·K C LasseterK F Yoshonis
Jan 1, 1971·American Heart Journal·G D Green
Apr 1, 1966·Annals of Surgery·S FurmanJ B Schwedel

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Citations

Jun 1, 1990·Pacing and Clinical Electrophysiology : PACE·P H Chew, J A Brinker
Apr 1, 1991·Pacing and Clinical Electrophysiology : PACE·G FröhligH Schieffer
Sep 1, 1983·Pacing and Clinical Electrophysiology : PACE·L M van Gelder, M I El Gamal
Jul 1, 1983·Pacing and Clinical Electrophysiology : PACE·W ScheibelhoferF Kaindl

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