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Methaemoglobinaemia due to food protein-induced enterocolitis syndrome
  1. Naoki Yogo1,
  2. Shota Fujito2
  1. 1Department of Paediatrics, Division of Paediatric Emergency and Critical Care, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan
  2. 2Department of Paediatrics, Japanese Red Cross Kumamoto Hospital, Kumamoto, Japan
  1. Correspondence to Dr Naoki Yogo, Department of Paediatrics, Division of Paediatric Emergency and Critical Care, Japanese Red Cross Kumamoto Hospital, Kumamoto 861-8520, Japan; naoki.y0715{at}gmail.com

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Case presentation

A 25-day-old term infant presented with fever, diarrhoea and 10% wt loss since birth (figure 1A) and 80% oxygen saturation in ambient air. His heart rate was 178 beats/min and blood pressure was 64/45 mmHg. Blood tests revealed a pH of 7.0, and bicarbonate, lactate and methaemoglobin levels of 6.2 mmol/L, 5.2 mmol/L, and 21%, respectively. After rehydration with fluid for shock, administration of sodium bicarbonate and stopping formula milk, …

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Footnotes

  • Contributors NY and SF conceptualised and designed the study, and collected and analysed the data. NY wrote the majority of the original draft of the paper. SF provided technical support and conceptual advice.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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