A 69 year old man presents with shortness of breath. His RR is 40/min and his oxygen saturation is 58% RA.

ABG on 10litres :pH 7.428

pCO2 27.7 (35-45 mmHg)

pO2 63

HCO3 18 (22-26 mmol/l)

BE -4

O2 sats 91%

Na 138 (137-145 mmol/l)

K 4.1 (3.5-5 mmol/l)

Cl 112 (99-111 mmol/l)

Glu 17 (4-6 mmol/l)

Lactate 2.1

Creat 119 (<130 umol/l)

Describe and interpret the blood gas

Thank You to Moeen for this gas.