Dilutionalhyponatremia is seen in -: (A) Addison's disease, (B) DI, (C) Diuretic therapy, (D) None
Answer is A. In Addison's disease in more advanced stages of adrenal destruction,serum sodium, chloride and bicarbonate levels are reduced,serum potassium level is elevated. Hyponatremia is due to both loss of sodium into urine and to movement into intracellular compament.(Harrison 17 pg 2264).-