Endocrinology Question 37 Instructor

To make a diagnosis of central diabetes insipidus requires all of what 4 requirements to be met?

  • Polyuria: >3 liters a day
  • Inappropriately dilute urine: urine osmolality less than serum osmolality
  • Hypernatremia: obtained on water deprivation
  • Urine concentrates following DDAVP administration

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