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. 2019 Feb 20;7:14. doi: 10.1186/s40560-019-0367-3

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© The Author(s). 2019

Open AccessThis 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. 1 — The American Society of Echocardiography (ASE) 2009 and 2016 definitions of diastolic dysfunction. E, velocity of early diastolic blood flow across the mitral valve. e′, velocity of mitral annulus at early diastole. TR, tricuspid regurgitation. LAVI, left ventricular volume index. A, velocity of late (atrial) diastolic blood flow across the mitral valve. DT, deceleration time of early diastolic blood flow across the mitral valve