An unconscious young girl, was brought to ED by ambulance. Apparently she ingested an unknown substance during a party. Her venous blood gases showed the following:

PH = 7.15

pCO2 = 19 mmHg

HCO3 = 6.5 mmol/L

Na = 139 mmol/L

K = 4.4 mmol/L

Cl = 112 mmol/L

Hb = 164 mmol/L

Glucose = 5.2 mmol/L

Lactate = 1.9 mmol/L

Creatinine = 91 umol/L

Ketones = 0.7 mmol/L

Questions:

1. Interpret these findings
2. What are the potential causes?