Specimen Name Result Units Range

Plasma Sodium 113 mmol/L (135-145)
Potassium 3.4 mmol/L (3.5-5.5)
Chloride 81 mmol/L (100-109)
Bicarbonate 24 mmol/L (22-32)
Glucose 8.0 mmol/L (3.8-5.5)
Urea 3.0 mmol/L (2.7-7.2)
Creatinine 90 μmol/L (60-110)
Osmolality 245 mmol/kg (275-295)

Urine Sodium 34 mmol/L (> 20)
Osmolality 570 mmol/kg

32yo female with poorly controlled epilepsy.

Presented to ED post-ictal.

Current Rx = Carbamazepine