SIADH vs DI 💦What is ADH? ADH = ANTIDIURETIC HORMONE It regulates and balances the amount of water in your blood. These conditions cause ADH to be out of balance with either too much or too little of the hormone. 💦DI = Not enough ADH Fluid volume deficit Hypernatremia (concentration of blood) High UOP = Diluted urine Dehydration Decrease skin turgor Dry mucous membranes 💦 SIADH = Too much enough ADH Fluid volume overload Hyponatremia (dilution of blood) Low UOP = Concentrated urine Weight gai