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Leadless Pacemaker Dysfunction From Interference by a Retained Transvenous Pacemaker With Active Minute Ventilation

Faisal Naffa'¹, Binaya Basyal², Cyrus Hadadi²

¹Internal Medicine, MedStar Health Georgetown University, Baltimore, Maryland, USA.

JACC. Case Reports

|June 13, 2026

Summary

This summary is machine-generated.

Leadless pacemakers offer benefits but can interact with older devices. A minute ventilation sensor in a retained pacemaker interfered with leadless pacemaker communication, causing asynchrony. Deactivating the sensor resolved symptoms.

Area of Science:

Cardiology
Biomedical Engineering

Background:

Leadless pacemakers are increasingly used to minimize complications associated with transvenous leads.
Interactions between leadless pacemakers and pre-existing transvenous cardiac implantable electronic devices (CIEDs) are an underrecognized clinical issue.

Keywords:

AV asynchrony device interference i2i communication leadless pacemaker minute ventilation sensor retained pacemakers

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