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A) Post implant bipolar LBBP at an output of 2.5v@0.4ms demonstrating ns-LBBP with anodal capture. QS in V1, QRS duration 140ms, and V6RWPT 80ms. B) Post implant bipolar LBBP at an output of 1.0v@0.4ms demonstrating ns-LBBP without anodal capture. QR in V1, minimal change QRS duration, and V6RWPT remains at 80ms. C) Bipolar LBBP at an output of 2.5v@0.4ms demonstrating a V6RWPT of 80ms, and a V6-V1 interpeak of 40ms.
