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. 2018 Jan 26;13(1):e0191870. doi: 10.1371/journal.pone.0191870

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© 2018 Braun et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 9 — (Top) Example of temporal evolution of reference stroke volume (black) and heart rate (red) for the entire protocol comprised of tasks T1 to T13 (see Fig 1) for subject S03. The beginning of each task is marked with a dashed vertical line and the particular tasks considered for analysis are shaded in light (lying) or dark gray (recovery). (Middle) One-minute averages used for analysis showing SV_Ref and two EIT features: the systolic heart amplitude (Δσ_H) and the temporal standard-deviation of the heart signal during one full cardiac cycle (tStd_H). (Bottom) Tidal volume V_R (blue) measured by the reference device (MetaMax 3B) and the one-minute averages of the global conductivity feature σ_G (green).