Hyponatremia and Renal Wasting of Sodium in Patients with Malfunction of the Central Nervous System

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Abstract
SEVERAL reports of patients with Central-nervous-system disorders, hyponatremia and an abnormally high urinary excretion of sodium have appeared in the literature.1 2 3 4 In some the defect in electrolyte physiology was attributed to faulty renal tubular reabsorption of sodium. More recently, Schwartz et al.,5 , 6 Epstein and Levitin,7 Carter, Rector and Seldin,8 McCrory and Macaulay9 and Fourman and Leeson10 have presented cases of hyponatremia that were apparently related to a sustained and inappropriate secretion of antidiuretic hormone.In the past two years we have observed 4 patients with manifestations of deranged function of the central nervous system in whom hyponatremia appeared to be . . .