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. 2021 Jun 18;14(7):e009912. doi: 10.1161/CIRCEP.121.009912

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© 2021 The Authors.

Circulation: Arrhythmia and Electrophysiology is published on behalf of the American Heart Association, Inc., by Wolters Kluwer Health, Inc. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution, and reproduction in any medium, provided that the original work is properly cited.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Figure 4. — Patient voltage fingerprints. Relation of the patient voltage distributions (left and center). Each dot represents the median value of the corresponding individual unipolar and bipolar voltage distribution (left) or unipolar and omnipolar voltage distributions (center). The error bars represent the 25th and 75th quartiles of each distribution. The relationship is illustrated by the orange line. Statistical significance of the relationship is indicated by an asterisk (P<0.01). The right show the amount of low-voltage areas (LVAs; top: bipolar ≤0.5 mV; middle: omnipolar ≤0.5 mV; and bottom: unipolar ≤0.478 mV) in each patient separately ranked by the median bipolar voltage.