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. 2016 Oct 28;24:129. doi: 10.1186/s13049-016-0323-3

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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. 1 — Left ventricle ejection fraction (LVEF) in patients with traumatic brain injury (TBI, n = 20 patients) and in control patients (n = 20 patients) obtained by conventional cardiac ultrasonography using the Simpson’s method. Echocardiography was performed within the first post-traumatic 24 h in the TBI group and under general anesthesia/mechanical ventilation in the control group. Values are median and extreme