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Case Reports
Near-fatal pediatric methemoglobinemia secondary to intentional sodium nitrite ingestion: A case report.
- Nicholas Sajko, Karla Finn, Jesse Hill, Gurpreet K Khaira, Jonathan P Duff, Farouk Jiwani, Dominic Allain, and Maria A Oliva.
- Department of Emergency Medicine, University of Alberta, Canada.
- Am J Emerg Med. 2022 Sep 1; 59: 215.e1215.e5215.e1-215.e5.
AbstractMethemoglobinemia is the result of inappropriate oxidation of hemoglobin iron groups, leading to a failure of oxygen transport and delivery, resulting in a clinical state of refractory hypoxia. Methemoglobin levels above 70% are often considered fatal. Acquired methemoglobinemia can be caused by a variety of substances, including sodium nitrite, a commercially available food preservative and color fixative. This report describes a patient presenting with a methemoglobin level of 83% secondary to intentional sodium nitrite ingestion. The methemoglobin level recorded is amongst some of the highest found in surviving patients.Copyright © 2022 Elsevier Inc. All rights reserved.
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