28-year-old female doctor developed severe migraine episode after finishing night shifts. She vomited multiple times. Her venous blood gases showed the following:

PH = 7.55

PaCO2 = 30 mmHg

PaO2 = 53 mmHg

HCO3 = 27 mmol/L

Na = 141 mmol/L

K = 4.1 mmol/L

Cl = 93 mmol/L

Glucose = 6.3 mmol/L

Lactate = 3.3 mmol/L

Creatinine = 103 umol/L

Explain these results