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. 2019 Mar 5;19:52. doi: 10.1186/s12872-019-1031-5

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© The Author(s). 2019

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Bland-Altman analysis demonstrates the intraobserver (a and b) and interobserver (c and d) reproducibility of fast-SENC technique for LVEF (a and c) and LVEDM (b and d). The middle dashed line is the mean of difference of measures. The upper and lower dotted lines are 1.96 standard deviation. LVEF = LV ejection fraction; LVEDM = LV end-diastolic mass