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Figure 2: Optimal PEEP determination. Decremental PEEP trial highlighted at 15 (A), 13 (B), 10 (C), and 8 (D) cmH2O. Orange pixels show decreased compliance toward highest PEEP levels (CL HP%) signifying overdistention, and white pixels show decreased compliance toward lowest PEEP levels (CL LP%) signifying collapse. Intersection of CL HP% and CL LP% is between B and C, suggesting optimal PEEP between 10 and 13 cmH2O. PEEP: Positive end-expiratory pressure

Figure 2: Optimal PEEP determination. Decremental PEEP trial highlighted at 15 (A), 13 (B), 10 (C), and 8 (D) cmH<sub>2</sub>O. Orange pixels show decreased compliance toward highest PEEP levels (CL HP%) signifying overdistention, and white pixels show decreased compliance toward lowest PEEP levels (CL LP%) signifying collapse. Intersection of CL HP% and CL LP% is between B and C, suggesting optimal PEEP between 10 and 13 cmH<sub>2</sub>O. PEEP: Positive end-expiratory pressure