Fig. 3. Pulmonary blood flow expressed as percentage of total activity measured in both lungs along the vertical axis for the combined ventral, middle, and dorsal segments of slices one through four during gaseous ventilation (GV) and partial liquid ventilation (PLV). All data are presented as mean ± SD. Data from each segment are presented at four study points: T-Baseline denotes prestudy conditions, T-ALI denotes values after induction of acute lung injury (ALI), T-1h denotes values 1 h after initiation of PLV with 15 ml/kg in the PLV group and 1 h after induction of ALI in the GV group, and T-2h denotes values 1 h after initiation of PLV with 30 ml/kg in the PLV group and 2 h after induction of ALI in the GV group.