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Figure 1 | Critical Care

Figure 1

From: Electrical impedance tomography applied to assess matching of pulmonary ventilation and perfusion in a porcine experimental model

Figure 1

Electrical impedance tomography image at end-inspiration illustrating for the right lung the setting of the four regions of interest. Region of interest (ROI) 1 = ventral; ROI 2 = mid-ventral; ROI 3 = mid-dorsal; ROI 4 = dorsal. Note that ROI 1 and ROI 4 encloses relatively minor parts of aerated lung tissue. The medial border of the ROIs was set just lateral to the cardiac contour identified during apnoea.

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