A 77 year old man presents with confusion, shortness of breath and fever. He recently returned from Bali.
BP 145/91
HR 95/min
Temp 38.9
Sats 98RA
Describe and interpret his arterial blood gas
pH 7.502 (7.36-7.44)
pCO2 24 mmHg (35-45)
pO2 80 mmHg
HCO3 18.6 mmol/l (22-26)
BE -2.3
Na 136 mmol/l (135-145)
K 3.9 mmol/l (3.5-5)
Cl 105 mmol/l (99-111)
Lactate 1.5 mmol/l (<2)
Creatinine 76 umol/l (<130)