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. 2021 Sep 30;26(6):e12894. doi: 10.1111/anec.12894

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© 2021 Wiley Periodicals, Inc.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Arrhythmia‐free survival (upper panel) and total survival (lower panel) in all cardiomyopathy (CM) patients (n = 70) according to Kaplan–Meier plots. CM patients with arrhythmic events (n = 42) exhibited elevated interlead R‐wave morphology heterogeneity (RWH) (>160 µV) and/or T‐wave morphology heterogeneity (TWH) (>80 µV) compared with those without events (n = 28, p = .012). CM patients who died (N = 6) or were resuscitated (N = 7) had elevated RWH (>160 µV) and/or TWH (>80 µV) compared with survivors (n = 57, p = .011). Reprinted with permission from Tan et al. (2017)