Table 1. Relevant lab test results at presentation (first admission).

	Value (reference range)
Serum
Sodium	105	mmol/L (135-145)
Potassium	4.5	mmol/L (3.5-5.0)
Creatinine	147	µmol/L (50-100)
	1.7	mg/dL (0.6-1.1)
Urea	15.3	mmol/L (2.5-7.5)
	91.9	mg/dL (15.0-45.0)
Glucose	6.7	mmol/L (4.0-7.8)
	120.7	mg/dL (72.1-140.5)
Urine
Sodium	<20	mmol/L
Osmolality	224	mOsm/kg (300-900)