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