40 year old female with a background of alcohol abuse presents to ED with a headache, abdominal pain and vomiting. The patient is not on oxygen. Below is the patients ABG:

pH 7.59                                             Na 135 mmol/l

pCO2 18 mmHg                               K 3.6 mmol/l

pO2 107 mmHg                               Cl 101 mmol/l

HCO3 18mmol/l                               BSL 6.2 mmol/l

B/E -1.7                                            Lactate 4.5 mmol/l

Cr 60 umol/l

Describe and interpret the ABG