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Fig. 4 | Annals of Intensive Care

Fig. 4

From: Prone positioning monitored by electrical impedance tomography in patients with severe acute respiratory distress syndrome on veno-venous ECMO

Fig. 4

Summary of EIT findings obtained during a prone-positioning (PP) session in two representative patients, a patient with an increase of the static compliance by ≥ 3 mL/cmH2O after 16-h of PP and a patient with static compliance ˂3 mL/cmH2O, respectively. EELI end-expiratory lung impedance, H hour. For graphic illustration of tidal impedance variation (∆impedance), the lighter the zone, the greater the ∆impedance, meaning that ∆impedance is higher in white zones than blue zones. For local compliance variation distribution, blue regions reflect a compliance gain compared to baseline (i.e., before PP), whereas yellow regions represent a compliance loss

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