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Fig. 1 | Critical Care

Fig. 1

From: Regional expiratory time constants in severe respiratory failure estimated by electrical impedance tomography: a feasibility study

Fig. 1

Algorithm for calculating regional time constant τ reg. Of note, curve fitting starts at the time when 75% of peak signal is reached (see “Methods”). V(t): volume at time point t, V0 volume at start of expiration, t the time from the start at end-inspiration to the end of expiration, τ the expiratory time constant and C the end expiratory volume

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Critical Care

ISSN: 1364-8535