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. 2021 Apr 22;16(6):1649–1661. doi: 10.1007/s11739-021-02735-7

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© The Author(s) 2021

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — DO₂/VO₂ relationship in patients with or without septic shock. CaO₂ arterial oxygen content, CO cardiac output, CvO₂ venous oxygen content, DO₂ oxygen delivery, Hb hemoglobin, OER oxygen extraction ratio, paO₂ arterial partial pressure of oxygen, pvO₂ venous partial pressure of oxygen, SaO₂ arterial oxygen saturation, ScvO₂ central venous oxygen saturation, SvO₂ mixed venous oxygen saturation, VO₂ oxygen consumption