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. 2019 Apr;16(4):362–377. doi: 10.11909/j.issn.1671-5411.2019.04.008

Figure 13. Representative 12-lead electrocardiograms of premature ventricular contractions originating from the anterolateral (A), posterior (B), and posteroseptal (C) portions of the mitral annulus.

Figure 13.

Arrows indicate “notching” of the late phase of the QRS complex in the inferior leads, with permission from Tada H, et al.[30]