Fig. 1From: Real-time effects of PEEP and tidal volume on regional ventilation and perfusion in experimental lung injuryRepresentative image of regional distribution of pulmonary ventilation as recorded by electrical impedance tomography (EIT) in one piglet from the control group. Three regions-of-interest (ROIs) of the same vertical height were constructed from top (anterior) to bottom (posterior) of the lung: nondependent, middle, and dependent ROI. In this ventilation map, lighter blue indicates greater ventilation than darker blue, with white representing the greatest ventilation. A = anterior; P = posterior; L = left; R = rightBack to article page