Intended for healthcare professionals

Letters Low sodium salt

Hyperkalaemia is a risk with low sodium salt in vulnerable patients

BMJ 2011; 343 doi: (Published 19 July 2011) Cite this as: BMJ 2011;343:d4514
  1. Alexandra Dent, foundation year 1 doctor1,
  2. David Walmsley, consultant diabetologist and endocrinologist1,
  3. Shankar Dhandapani, specialist registrar in diabetes and endocrinology1
  1. 1Royal Lancaster Infirmary, Lancaster LA1 4RP, UK
  1. a.dent{at}

We recently admitted a man in his 80s with poor glycaemic control and osmotic symptoms. His medical history included chronic kidney disease, macrocytic anaemia, hypothyroidism, hypertension, osteoarthritis, and splenectomy. Glycaemic control was managed by twice daily insulin. On admission, creatinine concentration was 147 µmol/L, urea 8.5 mmol/L, and potassium 5.1 mmol/L while taking lisinopril. He was taking no other drugs …

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