What are characteristics of cerebral salt wasting (CSW)?

Updated: Aug 16, 2019
  • Author: Christie P Thomas, MBBS, FRCP, FASN, FAHA; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Over the years, much debate has been focused on the existence of this entity. The evidence in favor of CSW rests on the following points:

  1. The presence of a negative salt balance
  2. The development of volume contraction (by definition, patients with SIADH are euvolemic)
  3. The fact that patients with CSW respond to salt and volume replacement rather than to fluid restriction

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