Table 4

Toxicology results.

DrugnMean concentration±SDNormal values*
Alcohol—blood ethanol320.09±0.09 g/100 ml<0.05 g/100 ml
Opiates/morphine/pethidine86±7 mg/l0.01–0.1 mg/l, 0.1–0.8 mg/l
Methadone70.8±0.3 mg/l0.1–0.5 mg/l
Amphetamine†70.15±0.15 mg/l0.02–0.1 mg/l
Tetrahydrocannabinol ‡153±4.9 mg/l0.005–0.01 mg/l
Ketamine30.1, 0.7, 2.0 mg/l1–6 mg/l
Caffeine110 mg/l4–10 mg/l
  • Critical Care 2012;16:R136 doi:10.1186/cc11441.

  • Toxicology examination was performed in 159 cases; 84 of these reports were accessible.

  • Toxicology reports were not available for the 26 West Australian cases or 49 cases in other states.

  • *Therapeutic (‘normal’), toxic and comatose-fatal blood-plasma concentrations (mg/l) in man.

  • †Amphetamine and/or methamphetamine.

  • ‡Tetrahydrocannabinol.