Key result
A three-step electrocardiographic protocol using lead V1 systematically evaluates biventricular pacing to identify fusion, delayed LV activation, LV noncapture, or RV anodal capture.
Population
Patients receiving cardiac resynchronization therapy (CRT) with biventricular pacing
Design
Review
Authors
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May refine LV capture assessment on CRT ECGs; leaves open need for prospective validation before practice change.
A simple three-step electrocardiographic algorithm using lead V1 can systematically evaluate biventricular pacing function and troubleshoot issues like fusion, latency, and noncapture in CRT patients.
Herweg et al. (2011) studied Cardiac resynchronization therapy. Three-step electrocardiographic evaluation protocol was evaluated. A three-step electrocardiographic protocol using lead V1 systematically evaluates biventricular pacing to identify fusion, delayed LV activation, LV noncapture, or RV anodal capture.
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