How to interpret laboratory data:electrolytes
decrease Increase Normal range SI conventional Hyponatremia 1-( dilutional hyponatremia ) excess accumulation of body water due to: CHF, cirrhosis, severe burns, chronic renal failure, nephrotic syndrome. 2-Sodium depletion Due to: SIADH, cystic fibrosis, mineralocorticoid deficiency, Na free fluid replacement SIADH= (syndrome of inappropriate antidiuretic hormone) SIADH may be associated with disease states such as cancer or the use of medications including chlorpropamide, thiazide diuretics, and carbamazepine . Hypernatremia 1-Increased sodium intake. 2-Increased fluid loss. hypernatremia usually occurs in individuals who are unable to obtain adequate fluid intake. Fluid loss from - gastroenteritis - diabetes insipidus, - Cushing disease, - hyperaldosteronism - administration of hypertonic saline solution