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Methemoglobinemia induced by refrigerated vegetable puree in conjunction with supraventricular tachycardia

T Bryk1, E Zalzstein, M Lifshitz

  • 1Pediatric Department D, Soroka University Medical Center, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel.

Acta Paediatrica (Oslo, Norway : 1992)
|November 25, 2003
PubMed

Insights

Refrigerated vegetables can cause methemoglobinemia in infants, potentially triggering supraventricular tachycardia (SVT). This case highlights the link between infant methemoglobinemia and SVT episodes due to hypoxemia.

Area of Science:

  • Pediatric Medicine
  • Toxicology

Background:

  • Infants are susceptible to certain foodborne toxins.
  • Methemoglobinemia is a condition reducing oxygen transport in the blood.

Observation:

  • A 6-month-old infant presented with cyanosis after consuming refrigerated vegetable puree.
  • The infant developed supraventricular tachycardia (SVT) with a heart rate of 230 bpm.
  • Blood analysis revealed 25% methemoglobin and 85% oxygen saturation.

Findings:

  • The infant's methemoglobinemia and SVT resolved with oxygen therapy.
  • Methemoglobin levels decreased to 1% after 8 hours of oxygen.
  • The patient experienced two additional spontaneous, self-resolving SVT episodes.

Implications:

  • Long-term storage of refrigerated vegetables may lead to infant methemoglobinemia.
  • Methemoglobinemia-induced hypoxemia can precipitate SVT in susceptible infants.
  • This case underscores the importance of infant diet safety and monitoring for associated cardiac events.
Abstract

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