Device Troubleshooting - Understanding the Post Implant Nuances-ICD troubleshooting (Presenter: Charles D. Swerdlow, MD, FHRS, CCDS)

ICD troubleshooting (Presenter: Charles D. Swerdlow, MD, FHRS, CCDS)

Video Transcription

Video Summary

In the video, the lecturer discusses two cases related to oversensing in patients with implanted cardiac devices. The first case involves a man who undergoes an upgrade from a single-chamber ICD to a CRTD for heart failure. Later, a lead integrity alert is activated, and a stored electrogram shows ventricular oversensing. The lecturer explains the differences between integrated bipolar leads and dedicated bipolar leads and analyzes the electrogram to determine the cause of the oversensing. In the second case, a patient with a single-chamber ICD experiences alternating sensed signals, which indicates the possibility of oversensing. The lecturer discusses the patterns of oversensing and rules out T-wave oversensing, concluding that the lead is dislodged in the atrium. They emphasize the importance of identifying lead dislodgements in defibrillator patients to prevent incorrect shock delivery.

Meta Tag

Lecture ID 6485

Location Room 155

Presenter Charles D. Swerdlow, MD, FHRS, CCDS

Role Invited Speaker

Session Date and Time May 10, 2019 1:30 PM - 3:00 PM

Session Number S-073

Keywords

oversensing

implanted cardiac devices

electrogram

lead integrity alert

ventricular oversensing

lead dislodgement