Nephrogenic DI Desmopressin Response — RACP Paediatrics MCQ

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ModerateNephrologyNephrogenic DI Desmopressin ResponseRACP Paediatrics

Polyuria/polydipsia, serum osm 310, urine osm 150. Desmopressin does NOT concentrate urine. Abnormality location?

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Correct answer: C — Kidney (nephrogenic DI)

Desmopressin-unresponsive = nephrogenic DI (renal ADH resistance).

Reference: RCH Melbourne – 2024