A patient with pancreatic cancer has been admitted to the critical care unit with clinical signs consistent with syndrome of inappropriate secretion of antidiuretic hormone.The nurse anticipates that clinical management of this condition will include

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The first treatment of this condition is volume restriction; other treatments may not be needed if restrictions work.Extreme fluid restrictions (800 to 1000 mL/day)may be required in the treatment of SIADH.Hypertonic saline administration may be used to treat severe hyponatremia (serum sodium <110 mEq/L)but is not used in most cases.The administration of hypertonic saline carries significant risk.Vasopressin replacement would provide additional ADH and further complicate SIADH.Sodium replacement may be required to treat the hemodilution associated with SIADH.

A Patient with Pancreatic Cancer Has Been Admitted to the Critical