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Cardiac arteriovenous malformation causing sudden death.

Beatriz Aguilera1, M Paz Suárez-Mier, Trinidad Argente

  • 1Histopathology Service, National Institute of Toxicology and Forensic Sciences, Luis Cabrera 9, 28002 Madrid, Spain. b.aguilera@mju.es

Cardiovascular Pathology : the Official Journal of the Society for Cardiovascular Pathology
|September 11, 2004
PubMed
Summary

A rare cardiac arteriovenous malformation (AVM) in the heart

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Area of Science:

  • Cardiovascular Pathology
  • Medical Autopsy
  • Congenital Heart Disease

Background:

  • Cardiac vascular malformations are infrequent causes of cardiac events.
  • Subendocardial arteriovenous malformations (AVMs) are particularly rare.
  • Sudden cardiac death in young adults necessitates thorough autopsy investigation.

Observation:

  • A case of a 25-year-old woman presenting with sudden death.
  • Autopsy revealed a subendocardial arteriovenous malformation (AVM).
  • Extensive myocardial fibrosis was noted in association with the AVM.

Findings:

  • The subendocardial arteriovenous malformation (AVM) was identified as the likely cause of death.
  • The AVM was associated with significant myocardial fibrosis.

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  • This represents the first reported autopsy case of a subendocardial AVM causing sudden death.

    • Implications:

    • Highlights the potential for rare cardiac malformations to cause sudden, unexpected death.
    • Underscores the importance of detailed autopsy in unexplained sudden deaths.
    • May inform future diagnostic and research efforts for cardiac AVMs.