Hypernatremia

Card Set Information

Author:
bigfootedbertha
ID:
84377
Filename:
Hypernatremia
Updated:
2011-05-07 13:52:24
Tags:
hypernatremia
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Description:
For my upcoming nephrology exam
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  1. What is hypernatremia?
    Na>145
  2. When do you start to see sx?
    Na>160
  3. What causes hypernatremia?
    Loss of hypotonic fluid and impaired access to free water
  4. What causes euvolemic hypernatremia?
    Diabetes Insipidus
  5. What causes hypervolemic hypernatremia?
    • Exog hypertonic saline
    • Mineralcorticoid Excess
  6. How do you correct hypernatremia?
    • Correct at approx the rate to which it developed
    • goal is drop 10mmol/L/day except in acute cases
  7. How do you tx hypovolemic hypernatremia?
    Mention nl vs abnl VS
    • Restores access of water
    • replete water losses
    • Calculate free water deficit and correct Na slowly
    • Abnl VS: NSS
    • Nl VS: 1/2NSS
  8. How do you tx euvolemic hypernatremia?
    (Which is caused by?)
    • Caused by DI
    • Central DI: DDAVP (desmopressin)
    • Nephrogenic: Tx underlying cause
  9. How do you tx hypervolemic hypernatremia?
    D5W + loop to help waste some of the water

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