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14 terms

Electrolytes Select

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Hyponatremia etiology
SIADH, Addison's
Hypernatremia etiology
Dehydration, diabetes insipidus, loop diuretics
Hypokalemia causes
Loop diuretics, vomiting & diarrhea, diabetes insipidus, hyperaldosteronism
Hyperkalemia etiology
Burns, renal failure, Addison's
Hypocalcemia etiology
Hypoparathyroidism, acute pancreatitis, Vit D deficiency, chemo
Hypercalcemia causes
Hyperparathyroidism, pheochromocytoma, tumors, adrenal insufficiency
Hypophosphatemia etiology
Alcoholism, antacids, acidosis, pancreatitis, G- sepsis, steroids
Hyperphosphatemia etiology
Hypoparathyroidism, tumor lysis (lymphomas) renal insufficiency
Hypomagnesemia etiology
Hypercalcemia, malnutrition
Hypermagnesemia etiology
DKA, hemolysis, lithium intoxication, renal failure
Hypervolemia etiology
CHF, cirrhosis, nephrotic syn, burns, IV
Hypervolemia s/s
Edema, low HCT, normal [Na], low BUN
Hypovolemia etiology
Fluid loss (hemorrhage, diabetes, diuretics, vomiting) 3rd space shifts (burns, CHF, peritonitis, hypoalbuminemia)
Hypovolemia s/s
Acute weight loss, dizziness, polydipsia, tachy, hypotension