A child is hospitalized with syndrome of inappropriate antidiuretic hormone (SIADH).The parent asks why the child's sodium level is so low.Which response by the nurse is the most appropriate?
A) "It's a side effect of oral desmopressin (DDAVP)."
B) "Sodium is being excreted in the large volume of urine."
C) "The water your child retains is diluting the sodium."
D) "Your child is not absorbing sodium in the intestines."

Question

Quizplus · Accepted Answer

Hyponatremia is most often caused by dilution.In this case,the excess fluid the child is retaining is the cause.DDVAP is used to treat diabetes insipidus,not SIADH.In SIADH,urine volume is low.Absorption of sodium is not the issue.

A Child Is Hospitalized with Syndrome of Inappropriate Antidiuretic Hormone