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. 2016 Jul 19;15:99. doi: 10.1186/s12933-016-0416-3

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© The Author(s) 2016

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. 5 — Systolic function in demand ischemia protocol. Mean ± SEM. Changes in global and regional systolic function at baseline, peak stress and 30-min recovery. There are no statistically significant differences between the two studies at any timepoint. a Ejection fraction. b Mitral annular systolic velocity. c Peak systolic tissue velocity (Vs). d Peak systolic strain (SI). e Peak systolic strain rate (SRI)