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Table 2 Serum sodium, serum osmolality, and urine osmolality during standard water loading test (20 mL/kg) at 3 years of age

From: Persistent elevation of urine aquaporin-2 during water loading in a child with nephrogenic syndrome of inappropriate antidiuresis (NSIAD) caused by a R137L mutation in the V2 vasopressin receptor

Water Loading Test
Time
(min) 		Serum Na
(134-143 mmol/L) 		Serum Osm
(285-294 mOsm/kg) 		Urine Osm
(300-900 mOsm/kg)
-60 135 283 857
+60 128 272 709
+120 128 266 753
+180 128 268 842
+240 127 267 884
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International Journal of Pediatric Endocrinology

ISSN: 1687-9856

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