Fig. 11
From: Electrical impedance tomography in acute respiratory distress syndrome
Electrical impedance tomography (EIT) ventilation and perfusion images of patient with community-acquired pneumonia affecting left lower lobe. Color scale adjusted by linear normalization. a Ventilation reduction at lower left quadrant in comparison with lower right quadrant, without changes in perfusion distribution at the lower quadrants. b Ventilation and perfusion decoupling in left lower quadrant represented by low distribution ratio. LL lower left, LR lower right, UL upper left, UR upper right, ZV ventilation estimated by EIT, ZQ perfusion estimated by EIT. Image provided by Fernando Suarez-Sipmann. Red arrow indicates ventilation/perfusion ratio in the LL quadrant