Fig. 1From: A comparison of four different models of acute respiratory distress syndrome in sheepThe time from the start of the experimental procedure until the pre-defined definition of ARDS had been met; PaO2 < 15 kPa when ventilated with PEEP 10 cm H2O and FiO2 1.0. Time taken to meet the pre-defined criteria for ARDS was significantly longer in the LPS iv group than the other three groups (* p < 0.05)Back to article page