A 68-year-old lady with bowel cancer who had been admitted to hospital following afall had a persistent low plasma sodium including the following plasma results (refer-ence ranges are given in brackets):SodiumPotassiumUreaCreatinineGlucoseOsmolality120 mmol/L3.9 mmol/L3.4 mmol/L53 μmol/L5.2 mmol/L255 mOsm/kg(135-145)(3.5-5.0)(3.5-6.6)(70-150)(3.5-5.5)(285-305)In this patient, the urine volume was low and relatively concentrated, the urine osmo-lality was 374 mOsm/kg and its sodium concentration was 75 mmol/L.Comment on these results.

Patient is a 68-year-old female with bowel cancer Reason for hospitalization is history of fall and…

Answered: A 68-year-old lady with bowel cancer…

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