HYPERNATREMIA

Hypernatremia Salt Excess Water Deficit Exogenous Endogenous Fluid losses Reduced intake Abuse/Neglect* Hyperaldosteronism Iatrogenic Inappropriate formula preparation Renal Loss GI Loss Insensible Loss Abuse/Neglect* Brain Tumour* Hypothalamic dysfunction Osmotic Diuresis Diabetes Insipidus Diabetic Ketoacidosis* (Glucosuria) Mannitol Post-obstructive diuresis Polyuric Acute Tubular Necrosis Nephrogenic Diabetes Insipidus Central Diabetes Insipidus Burns* Sweat Respiratory losses Uosm >600 Uosm >600 Uosm >600 Uosm > Posm, Uosm 300-600 Uosm < Posm FeNa > 1%. U Na <10 *Indicates Key Condition This is not an exhaustive list of medical conditions. Check clinical volume status Hypervolemic/Euvolemic Hypovolemic Gastroenteritis*