Why the study?
The evolution of stimulation paradigms has prompted the emergence of new evaluation methods alongside the 12-lead ECG for assessing electrical synchrony in CRT and physiological stimulation.
This review explores the utility of the 12-lead ECG and novel tools for assessing electrical synchrony in patients undergoing cardiac resynchronization therapy or conduction system pacing.
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May inform ECG-based synchrony assessment in CRT/CSP; leaves open prospective validation before clinical adoption.
The different forms of stimulation have been accompanied throughout their evolution by various methods of assessing electrical synchrony, the most widely used being the 12-lead electrocardiogram. However, the emergence of new paradigms and the breakdown of various concepts that have been entrenched for years have allowed the emergence of new evaluation methods. The objective of this review is to explore the utilities of the ECG and new tools for measuring electrical synchrony that accompany cardiac resynchronization therapy (CRT) and physiological stimulation. This includes their role in preselection, during the chosen procedure, and in post-procedure optimization for the follow-up of patients with heart failure (HF) (to electrically resynchronize them) and for patients with chronic pacing (to avoid desynchronization).
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Felipe et al. (2025) studied this question.
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