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Table 1 Water deprivation test

From: When polyuria does not stop: a case report on an unusual complication of hantavirus infection

  Urine Plasma Vital signs
Hour Volume
[ml/h]
Osmolality
[mosmol/kg]
Osmolality
[mosmol/kg]
Sodium
[mmol/l]
Copeptin
[pmol/l]
Bodyweight
[kg]
Blood Pressure [mmHg]
0 430 164 299 144 4.3 91.2 140/80
1 300 157 298 144   n/a n/a
2 350 161 299 144   90.1 130/80
3 320 197 300 147   89.7 n/a
4 300 208 304 148   89.4 150/90
5 250 223 304 147   89.6 130/70
6 250 231 305 148   89.3 140/80
7 300 238 308 148 4.2 88.9 130/75
Administration of 4 μg desmopressin (Minirin®)
8   387      
9   301      
  1. Low Copeptin levels and a > 50% increase of urine osmolality after administration of desmopressin confirmed the diagnosis of a complete diabetes insipidus centralis