A 40-year-old male asked:
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what tests can be done to diagnose diabetes insipidus? just vasopressin?

1 doctor answer
Dr. Jeremy Gitomer
28 years experience Nephrology and Dialysis
Water deprivation : The classic diagnostic test first is a first morning urine sample for osm after not drinking and if greater than 300 excludes the diagnosis. Water deprivation in the hospital stop intake and check serum/urine osm every 2 h. If serum sodium rises greater than145 wihtout rise in urine osm the diagnosis is made. Vasopressin is given if the urine osm increases it is central di if not nephrogenic di.
Answered on Nov 28, 2017
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