Cerebral Salt Wasting Syndrome following Head Injury in a Child Managed Successfully with Fludrocortisone

Table 1

Differences between CSW and SIADH [16, 17].

Features	CSW	SIADH
Dehydration	Present	Absent
Serum sodium	Decreased	Decreased
Urinary sodium excretion	Increased	Variable
Urine osmolality	Increased	Increased
Serum osmolality	Low	Low
Vasopressin	Low	High
Polyuria	Present	Absent
BUN	Increased	Normal
Blood pressure	Low	Normal or increased
ANP	Increased	Normal
Treatment	Saline/3% NaCl	Fluid restriction