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SIADH Review

Syndrome of Inappropriate Antiduretic Hormone

QuestionAnswer
SIADH An excessive release of antidiuretic hormone ADH -> water intoxication and hypoatremia
Normal Serum Sodium 136-145 mEq/L Critical values <120 or >160 Sodium is the major cation in the extracellular space. Many factors regulate sodium balance.
SIADH Excess ADH-> renal absorption of water and suppression of renin angiotension mechanism causing renal excretion of sodium leading to water intoxication, cellular edema, dilutional hypoatremia
what can cause SIADH? malignant tumors, infection, increasing pressure, head injury, meningitis, cardiovascular accident, medications, trauma, pain
SIADH - URINE is? THINK Concentrated, increased urine sodium, increased urine osmolarity, as urine volume decreases, the urine osmolarity
Recognizing SIADH increased BP, crackles in lungs, JVD, taut skin, intake greater than output, concentrated urine
what are the early signs of of SIADH? headaches, weakness, anorexia, muscle cramps, weight gain without edema
SIADH nursing interventions Fluid restriction 500-1000 ml/day medications: declocyline or lithium carbonate, IV fluids 200-300 hypertonic IV
Created by: starr8904
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