Figure 2From: Multiple electrolyte disorders in a neurosurgical patient: solving the rebus Time trend of clinical and laboratory parameters during the hospitalization. Before the water deprivation test the patient declared a daily water intake of about 1 L, but after the beginning of psychotherapy he admitted to have ingested about 6 L of liquids per day. Abbreviations are: Uosm = urinary osmolarity, UNa = urinary sodium.Back to article page