Which of the following laboratory values would be found in a patient with syndrome of inappropriate secretion of antidiuretic hormone?
A) Fasting blood glucose 156 mg/dL
B) Serum potassium 5.8 mEq/L
C) Serum sodium 115 mEq/L
D) Serum sodium 152 mEq/L

Question

Quizplus · Accepted Answer

SIADH causes a dilutional hyponatremia,and central nervous system symptoms can occur.A low serum sodium (below 135 mEq/L)may accompany the syndrome.Glucose elevation is not a classic sign of SIADH.Hyperkalemia does not accompany the dilutional hyponatremia of SIADH.Serum sodium levels are typically lower in the dilutional hyponatremia that accompanies SIADH.

Which of the Following Laboratory Values Would Be Found in a Patient