You’ve probably seen advertisements for sports drinks that claim to not only hydrate you but also replenish your electrolytes. In some cases, though, too much fluid can be a bad thing and actually ...

Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is a condition in which there are high amounts of antidiuretic hormone (ADH) released from the pituitary gland or other sources. SIADH ...

When all other potential causes of hyponatremia have been ruled out ( Table 1), differentiation between CSW and SIADH should occur in the patient with SAH. Hyponatremia alone is not a reliable ...

Patients with ACTH/cortisol deficiency and hyponatremia have inappropriately elevated AVP levels as well as direct renal impairment of urinary dilution. In addition, glucocorticoid replacement ...

Osmolality is the concentration of all particles in a fluid. For example, thick, sugary syrup has significantly higher osmolality than a cup of water with just a pinch of sugar. The urine osmolality ...

People who have syndrome of inappropriate antidiuretic hormone secretion (SIADH) produce excessive amounts of antidiuretic hormones. It leads to the body developing an imbalance of sodium and water.