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Figure 4 | Critical Care

Figure 4

From: Bedside measurement of changes in lung impedance to monitor alveolar ventilation in dependent and non-dependent parts by electrical impedance tomography during a positive end-expiratory pressure trial in mechanically ventilated intensive care unit patients

Figure 4

ΔfEIT images in patients without (1 to 6) and with (8 to 14) lung disorders between the PEEP steps used. PaO2/FiO2 ratio change (black) and compliance change (red) are presented next to each ΔfEIT image. Images containing a colour-coded 32 × 32 matrix, are generated by subtracting fEIT before the PEEP step from fEIT after each PEEP step. PEEP is decreased stepwise from 15 to 0 cm H2O. Each EIT image represents a thoracic slice with the ventral lung regions at the top and dorsal lung regions at the bottom.

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Critical Care

ISSN: 1364-8535