Turning off the AdaptivCRT algorithm can resolve T-wave oversensing and restore biventricular pacing when standard troubleshooting fails.
May prompt AdaptivCRT deactivation for refractory T-wave oversensing; leaves open prevalence and need for prospective evaluation.
Key Teaching Points•In cardiac resynchronization therapy (CRT), loss of biventricular pacing and a 1-on-2 biventricular pacing pattern can be caused by T-wave oversensing.•T-wave oversensing can be induced by the CRT optimization algorithm AdaptivCRT.•If usual T-wave oversensing troubleshooting is inefficient, turning this algorithm off could restore resynchronization under certain conditions. •In cardiac resynchronization therapy (CRT), loss of biventricular pacing and a 1-on-2 biventricular pacing pattern can be caused by T-wave oversensing.•T-wave oversensing can be induced by the CRT optimization algorithm AdaptivCRT.•If usual T-wave oversensing troubleshooting is inefficient, turning this algorithm off could restore resynchronization under certain conditions.
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André et al. (2018) studied this question.
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