Which information is most important for the nurse to communicate rapidly to the health care provider about a patient admitted with possible syndrome of inappropriate antidiuretic hormone (SIADH)?
a. The patient has a recent weight gain of 9 lb.
b. The patient complains of dyspnea with activity.
c. The patient has a urine specific gravity of 1.025.
d. The patient has a serum sodium level of 118 mEq/L.
