The following patient was found collapsed outside a warehouse. What is his diagnosis and management?

ph            7.26
pCo2            49
pO2             22
HCO3            22
Base Xs         -5
Sample type: Venous

Na             146
K              4.1
Cl             112
IonCa          1.1
Creatinine      88
Hb             137

Glucose        5.9
Lactate        3.8

Carboxy Hb     0.7
Met Hb         42.2