Syndrome of inappropriate antidiuretic hormone (SIADH)
I. What every physician needs to know. SIADH, more appropriately known as syndrome of inappropriate antidiuresis, is the pathologic state where the kidneys are not appropriately clearing free water. This retention of free water occurs despite the body being at a hypotonic state resulting in euvolemic hyponatremia. II. Diagnostic Confirmation: Are you sure your patient…