Saline Doesn’t Ruin Hyponatremia Labs (It Might Help)

A study by Dr. Chienwichai highlights challenges in diagnosing hyponatremia due to undisclosed intravenous saline administration. While saline infusion does not obscure urine biochemical tests, it reveals distinctions between hypovolemic hyponatremia and SIAD. Urine sodium is valuable, yet it cannot solely determine diagnosis.