48-year-old man with history of Crohn’s disease and previous cardiac arrest. This patient presented with diarrhoea and vomiting for 2 days. His first VBG showed the following:
PH = 7.745
pCO2 = 36 mmHg
pO2 = 36 mmHg
HCO3 = 52 mmol/L
Na = 127 mmol/L
K = 2.7 mmol/L
Cl = 70 mmol/L
Hb = 158 g/L
Glucose = 8.1 mmol/L
Lactate = 3.7 mmol/L
Creatinine = 363 umol/L
Explain these results and what are the possible causes?