A 21-year-old woman with history of depression. She was brought to the emergency department with recurrent vomiting and becoming drowsy. Her VBG showed the following:
PH = 7.39
PaCO2 = 41 mmHg
PaO2 = 50 mmHg
HCO3 = 24 mmol/L
Na = 144 mmol/L
K = 3.4 mmol/L
Cl = 100 mmol/L
Lactate = 2.2 mmol/L
Cr = 53 nmol/L
BSL = 4.3 mmol/L
Questions:
- Interpret these results
- What are the potential causes