Fig. 2

Time course of the left to right ratio of end-expiratory resistivity. Data presented as means ± standard error. Group 1, control, empty circle; group 2, one insult (perfusion block of the right lower lobe), dotted circle; group 3, two insults (500 ml lung lavage and 20 ml/kg tidal volume ventilation), empty diamond; group 4, three insults (500 ml lung lavage and 20 ml/kg tidal volume ventilation with perfusion block of the right lower lobe), left-dotted diamond; group 5, three insults (500 ml lung lavage and 20 ml/kg tidal volume ventilation with perfusion block of the left lower lobe), right-dotted diamond