Fatal Arrhythmic Complications of Multisystemic Inflammatory Syndrome (MIS-C) in a Pediatric Patient

Chika C Oragui1, Arthur Dilibe2

  • 1Pediatrics, Pediatric Intensive Care Unit (PICU), Stanford University School of Medicine, Lucile Packard Children's Hospital, Palo Alto, USA.

Cureus
|May 24, 2024
PubMed

Insights

Multisystem inflammatory syndrome in children (MIS-C) can cause fatal cardiac arrhythmias, even in healthy adolescents. This rare complication highlights the critical need for cardiac monitoring in pediatric COVID-19 patients.

Area of Science:

  • Pediatric Cardiology
  • Infectious Diseases
  • Critical Care Medicine

Background:

  • The COVID-19 pandemic has led to a novel pediatric syndrome, multisystem inflammatory syndrome in children (MIS-C).
  • Cardiac complications, including arrhythmias, are significant concerns in MIS-C, though rare.
  • Kawasaki-like disease presentation in children post-COVID-19.

Observation:

  • A 14-year-old patient without prior cardiac issues developed severe conduction abnormalities.
  • The patient presented with fatal arrhythmias attributed to MIS-C.
  • This case highlights an unusual and severe cardiac manifestation of MIS-C.

Findings:

  • Cardiac conduction abnormalities and fatal arrhythmias occurred in a pediatric patient with MIS-C.
  • The absence of pre-existing cardiac risk factors underscores the potential severity of MIS-C.
  • This case adds to the limited literature on MIS-C-associated arrhythmias.

Implications:

  • Early cardiac evaluation and monitoring are crucial for pediatric COVID-19 patients.
  • Understanding MIS-C's cardiac impact is vital for improving patient outcomes.
  • This case emphasizes the need for further research into MIS-C's cardiovascular effects.

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