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A 25-year-old woman presents with symptoms of polyuria and poly... | Filo

A 30-year-old male is admitted to a neurosurgical unit after sustaining severe head injuries in a road traffic accident. He is unconscious and develops polyuria over the next 24 hours. Serum sodium concentration rises from 148 mmol/L on admission to 168 mmol/L on day - 4, at which point a spot urine osmolality is 80 mmol/kg (RI: Serum sodium 133-146 mmol/L and Urine osmolality 275-295 mosmol/kg).Regarding the severity and blood volume, what is the type of hypernatremia in this clinical case?a. M