DRG Category 296 Mean LOS 54 days Description Medical Nutritional and

Miscellaneous Metabolic Disorders, Age > 17 with CC

I I yponatremia is defined as a serum sodium concentration less than 135 mEq/L (normal range is 136 to 145 mEq/L). Sodium is the most abundant cation in the body; a 70-kg person has approximately 4200 mEq of sodium in her or his body. Sodium has five essential functions: It maintains the osmolarity of the extracellular fluid (ECF); regulates ECF volume and water distribution; affects the concentration, excretion, and absorption of other electrolytes, particularly

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