Key result
Atrial autoadjusting sensitivity linked to inappropriate AT detection via FFRW oversensing during PR prolongation.
Population
A single patient with a dual chamber pacemaker incorporating atrial autoadjusting sensitivity (AAS)
Design
Case_report
Authors
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May prompt device interrogation in suspected AT; hypothesis-generating for autoadjusting sensitivity refinements.
Case Report (n=1)
Demonstrates that far-field R wave oversensing can occur during functional atrial undersensing with PR prolongation in pacemakers with atrial autoadjusting sensitivity, leading to inappropriate AT detection.
Collins et al. (2002) conducted a case report in Far-field R wave oversensing and inappropriate atrial tachycardia detection (n=1). Dual chamber pacemaker with atrial autoadjusting sensitivity was evaluated on Inappropriate atrial tachycardia detection. A dual chamber pacemaker with atrial autoadjusting sensitivity caused inappropriate atrial tachycardia detection due to far-field R wave oversensing during PR interval prolongation.
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