Abstract
Introduction: Automatic pacing threshold (AT) testing with trending and output adjustment may simplify device follow-up and improve longevity. A right ventricular (RV) AT algorithm was developed for ICD/CRT-D. The algorithm is based on RVcoil to Can evoked response (ER) sensing and utilizes ER consistency for capture verification. The objective of this analysis was to compare ER characteristics between ICD and CRT-D systems. Methods: Patients (pts) scheduled for ICD/CRT-D implant, replacement or upgrade were enrolled.
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