Stone Prevention — RACP Adult Medicine MCQ

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EasyNephrologyStone PreventionRACP Adult Medicine

A 50-year-old man with recurrent CaOx stones has low urine volume, hypercalciuria, and hypocitraturia. What combination addresses most risk factors?

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Correct answer: A — Increase fluids + potassium citrate + thiazide diuretic

Three modifiable factors addressed: volume (fluids >2.5 L), hypercalciuria (thiazide), hypocitraturia (K citrate). Normal dietary calcium maintained.

Reference: eTG – 2025 – Nephrology; EAU – 2024