A 76-year-old with COPD enters the hospital for a routine st…
A 76-year-old with COPD enters the hospital for a routine stress test. She has a barrel chest, digital clubbing, and appears cyanotic. She is using her accessory muscles of inspiration and is pursed-lip breathing. Auscultation reveals diminished breath sounds. The blood gas on room air results are as follows: pH: 7.37 PaC02: 76 HC03: 44 Pa02: 56 How would you interpret the results?