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Spurious hyperkalaemia
  1. M. R. Wills,
  2. I. D. Fraser
  1. Department of Clinical Pathology, Bristol Royal Infirmary


    In a patient with acute lymphoblastic leukaemia, the plasma was found to have a potassium level of 10·4 mEq./1. Investigations showed that plasma from patients with leukaemia may be found to have falsely high potassium levels because of breakdown of leucocytes between the venepuncture and separation of the plasma.

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