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. 2022 May 23;11(10):2948. doi: 10.3390/jcm11102948

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Regional analysis of abnormal activation patterns in charge density mapping. Each color box in the graph corresponds to the color-matched region (legend on the right). (A) LIA absolute number by region and procedural step, namely, baseline, after pulmonary vein isolation (PVI) and after left atrial posterior wall isolation (LAPWI). (B) LRA absolute number by region and procedural step, namely, baseline, after PVI and after LAPWI. (C) FCA absolute number by region and procedural step, namely, baseline, after pulmonary vein isolation (PVI) and after LAPWI. FCA: focal centrifugal activation; LIA: localized irregular activation; LRA: localized rotational activation. The midline of each boxplot is the median, with the upper and lower limits of the box being the 3rd and 1st quartiles (75th and 25th percentiles), respectively. By default, the whiskers will extend up to 1.5 times the interquartile range from the top (bottom) of the box to the furthest datum within that distance.