A 50 year old woman with type 1 diabetes mellitus is brought in by ambulance with an
altered conscious state.
Describe and interpret her investigations
Serum biochemistry and arterial blood gas
FIO2 0.50
pH 7.05 7.35-7.45
pCO2 66 mmHg 35-45
pO2 247 mmHg 80-95
Bicarbonate 18 mmol/L 22-28
Base excess -14 -3 – +3
O2 saturation 99 % > 95
Na+ 131 mmol/L 134-146
K+ 5.0 mmol/L 3.4-5
Cl- 92 mmol/L 98-106
Urea 15 mmol/L 3-8
Creatinine 227 micromol/L 45-90
Glucose 50.9 mmol/L 3.5-5.5