82yo male on bipap FIO2 90% with diagnosis of pneumonia. o2 sats WNL.
ph 7.54
pco2 51
p02 64
hco3 43.6
BE 18.5
I am a relatively new ICU nurse and ABG's aren't my strong point. Charge RN and RT said ABG results were respiratory alkalosis due to anxiety and pt fighting bipap. If this is correct why is bicarb so elevated. What is your interpretation of these results?