What is patients sodium intake during health and now

Increased salt intake is rarely a cause of hypernatremia unless the amounts are massive. This can occur when the amount of salt ingested overwhelms the maximal osmotic clearance capacity of the kidney. Such a situation may occur, for example, if large doses of sodium bicarbonate are administered IV to correct a metabolic acidosis, or in the course of CPR. Another cause is erroneous or intentional addition of salt to infant formula. In infants, it is important to ascertain the type of milk being ingested, especially during the first 2 weeks of life. Rarely, the concentration of sodium in breast milk remains elevated, resulting in poor feeding and hyper-natremic dehydration.

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