Table 1

Profile of biochemistry results over 30 hours

↓100 mg IV hydrocortisone given
Time:18:0000:0006:0010:0011:0018:0000:00
Plasma
Sodium (mmol/l)129123122122122129131
Urea (mmol/l)3.34.33.844.13.63.2
Osmolality (mmol/kg)286275
Urine
Sodium (mmol/l)14811237117111109
Osmolality (mmol/kg)432530651550256348
Output (ml/kg/h)2.53.84.252.751.41.01.2
Saline infusion (0.9%)
Rate (ml/kg/h)3.53.753.72.52.251.2
↑Saline infusion begun