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. 2019 Dec 11;6(3):153–157. doi: 10.1016/j.hrcr.2019.12.002

Figure 2.

Figure 2

A: QRS width of baseline and after cardiac resynchronization therapy (CRT) with WiSE (EBR Systems, Sunnyvale, CA) CRT system in patient 1. 1 W = 1 week; 3 M = 3 months; 6 M = 6 months. B: QRS width of baseline and after CRT with WiSE CRT system in patient 2.