Medicine The syndrome of inappropriate ADH secretion is characterized by the following: A Hyponatremia and urine sodium excretion > 20 mEq/L B Hypernatremia and urine sodium excretion > 20 mEq/L C Hyponatremia and hyperkalemia D Hypernatremia and hyperkalemia 💡 Explanation The syndrome of inappropriate ADH secretion is characterized by the following: ✓ Correct Answer: A. Hyponatremia and urine sodium excretion > 20 mEq/L