A police recruit doing a 20 km pack hike. Collapsed. GCS on arrival was 7. His temperature was 39.2 on arrival. His venous blood gases showed the following:

PH = 7.34

pCO2 = 27 mmHg

HCO3 = 14 mmol/L

Na = 145 mmol/L

K = 4.4 mmol/L

Cl = 111 mmol/L

Glucose = 10.4 mmol/L

Haemoglobin = 167 g/L

Lactate = 10.3 mmol/L

Creatinine = 159 umol/L

His CK was 231 mmol/L, Troponin was 128 umol/L

explain these results?