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What is In a patient if administration of vasopressin does not increase the osmolality of urine, it indicates? and explain in detail?
Renal hyposensitivity towards ADH REF: Harrison's 17th ed p. 274 If the osmolality of urine increases after administration of ADH - Nephrogenic DI (Renal hyposensitivity) If the osmolality of urine decreases after administration of ADH- Central DI