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. 2015 Sep 22;15:127. doi: 10.1186/s12871-015-0105-x

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© Díaz et al. 2015

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 — Diagram of the experimental protocol. Calibration refers to transpulmonary thermodilution for calibration of pulse contour–derived cardiac output and assessment of stroke volume variation and pulse pressure variation. Randomly changed V_T refers to tidal volume 6, 12 or 18 ml/kg applied in random order. (V_T: Tidal volume, IAH, intra-abdominal hypertension)