Tested for pCO2 in Blood
Normal range: 35.0 - 45.0 mm Hg
Day 504: 34.0 
Day 504: 63.0 
Day 555: 47.0 
Day 555: 44.0 

Tested for pCO2 in Blood
Trend is increasing
Abnormality: 
Low values on days 504High values on days 555
