Case ID,Parameter,1st Hour,2nd Hour,3rd Hour 2,Mean Airway Pressure (cmH₂O),8.0,8.0,8.3 2,Plateau Airway Pressure (cmH₂O),12.3,13.0,12.7 2,Peak Airway Pressure (cmH₂O),15.3,17.3,16.7 2,Pulmonary Arterial Pressure (mmHg),8.3,8.3,8.0 2,Left Atrial Pressure (mmHg),4.7,5.0,4.7 2,Arterial Partial Pressure O₂ (mmHg),456.8,476.6,476.4 2,Venous Partial Pressure O₂ (mmHg),85.4,86.3,87.0 2,Arterial Partial Pressure CO₂ (mmHg),20.6,19.9,19.6 2,Venous Partial Pressure CO₂ (mmHg),26.1,25.2,25.8 2,Static Compliance (mL/cmH₂O),92.3,92.3,94.0 2,Dynamic Compliance (mL/cmH₂O),60.3,60.0,58.3 2,Sodium (mmol/L),149.7,150.5,151.9 2,Calcium (mmol/L),0.8,0.85,0.91 2,Chloride (mmol/L),124.7,125.7,127.3 2,Potassium (mmol/L),4.6,4.6,4.8 2,Bicarbonate (mmol/L),6.3,5.0,3.7 2,Base Excess (mmol/L),-23.2,-26.0,-29.8 2,pH,7.11,7.01,6.86 2,Lactate (mmol/L),4.3,6.8,9.3 2,Glucose (mmol/L),8.0,7.2,5.5 2,Edema (mL),397.0,143.0,137.0