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. 2023 Oct 31;10(11):448. doi: 10.3390/jcdd10110448

Figure 2.

Figure 2

Different capture patterns during HBP-CRT. The left side of the figure shows a patient with baseline LBBB (panel (A)); HBP results in LBBB correction at high outputs (panel (B)), partial LBBB correction at intermediate output (panel (C)) and selective HB capture but without LBBB correction at lower output (panel (D)). The right side shows a patient with baseline RBBB (panel (E)) shows complete RBBB correction at high output (panel (F)), partial correction at intermediate outputs (panel (G)) and selective HB capture without RBBB correction at lower outputs (panel (H)). HBED: His bundle electrogram (distal); HBEP: His bundle electrogram (proximal). Sweep speed 100 mm/s.