Exercise-associated Hyponatremia HYPOnatremia Interpretation Seizures, hyponatremia and ADH Cause of HYPOnatraemia Definition: Serum sodium <130mEq/l Cause: Excess of Water relative to Sodium Affects: 1% of hospital population Hypovolemic (Na deficit in xs of water deficit) (test urine sodium) RENAL (urinary…