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  • Title: Pseudohyperkalemia without reported haemolysis in a patient with chronic lymphocytic leukaemia.
    Author: Chan JS, Baker SL, Bernard AW.
    Journal: BMJ Case Rep; 2012 Jan 10; 2012():. PubMed ID: 22665715.
    Abstract:
    Hyperkalemia is a medical condition that requires immediate recognition and treatment to prevent the development of life-threatening arrhythmias. Pseudohyperkalemia is most commonly due to specimen haemolysis and is often recognised by laboratory scientists who subsequently report test results with cautionary warnings. The authors present a case of pseudohyperkalemia in a patient with chronic lymphocytic leukaemia that was the result of white blood cell lysis during phlebotomy. False elevations of potassium from this condition may not be reported with a warning from the laboratory. This places the patient at risk of unnecessary and potentially dangerous treatments. This phenomenon has not been published in the emergency medicine literature to date.
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