52-year-old lady presented to the emergency department with recurrent vomiting. She was found to have a slipped lapband. Her venous blood gases showed the following

PH = 7.42

pCO2 = 52 mmHg

pO2 = 26 mmHg

HCO3- = 36.8 mmol/L

Na+ = 136 mmol/L

K+ = 2.4 mmol/L

Cl- = 90 mmol/L

Glucose = 5.4 mmol/L

Lactate = 3.6 mmol/L

Creatinine = 92 umol/L

Questions:

1. Interpret these results
2. What are the possible causes
3. How will you manage this patient?