Journal of Medical Cases, ISSN 1923-4155 print, 1923-4163 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Med Cases and Elmer Press Inc
Journal website

Case Report

Volume 7, Number 9, September 2016, pages 399-402

Cerebral Salt Wasting Syndrome and Systemic Lupus Erythematosus: Case Report


Figure 1.
Figure 1. Urine osmolality and serum sodium concentration evolution during saline infusion.


Table 1. Characteristics of SIADH and CSW
BUN: blood urea nitrogen; FEUrate: excretional fraction of urate; CSW: cerebral salt wasting; SIADH: syndrome of inappropriate antidiuretic hormone secretion.
Plasma volumeNormal or ↑
Water balanceNegativeNormal or ↑
Serum osmolality
Signs and symptom of dehydrationPresent in most casesAbsent
Hematocrit↑ or normalUnchanged
Plasma BUN/creatine↑ or normal
Urine sodium↑↑
Urine volume↑↑↓ or normal
Uric acid
FEUrate after correction of hyponatremiaNormal
TreatmentNormal or hypertonic salineWater restriction
FludrocortisoneHypertonic saline and furosemide