Reverse pseudohyperkalemia is more than leukocytosis: a retrospective study.

Journal: Clinical kidney journal
Published Date: Sep 7, 2020

Abstract

BACKGROUND: Hyperkalemia is a potentially life-threatening electrolyte abnormality that often requires urgent treatment. Clinicians should distinguish true hyperkalemia from pseudohyperkalemia and reverse pseudohyperkalemia (RPK). RPK has exclusively been described in case reports of patients with hematologic malignancies (HMs) and extreme leukocytosis [white blood cell (WBC) count >200 × 10/mL].

Authors

  • Osama El Shamy
    Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
  • Joshua L Rein
    Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
  • Siddhartha Kattamanchi
    Division of Nephrology, Department of Medicine, Marshfield Clinic, St Joseph Hospital, Marshfield, WI, USA.
  • Jaime Uribarri
    Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
  • Joseph A Vassalotti
    Division of Nephrology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.

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