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Tachycardia-Induced Cardiomyopathy As a Chronic Heart Failure Model in Swine
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Left ventricular myxoma causing sudden death.

Patricia Lee Kitchin1, Paul Benson

  • 1From the *LewisGale Hospital Montgomery, Blacksburg, VA; and †University of Tennessee, Health Science Center, West Tennessee Forensic Center, Memphis, TN.

The American Journal of Forensic Medicine and Pathology
|February 25, 2015
PubMed
Summary
This summary is machine-generated.

Sudden cardiac death can rarely be caused by cardiac myxomas, which are benign heart tumors. This case highlights a rare left ventricular myxoma causing sudden death in a patient with no prior symptoms.

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Area of Science:

  • Cardiology
  • Pathology
  • Oncology

Background:

  • Cardiac myxomas are benign neoplasms, typically found in the left atrium.
  • Left ventricular myxomas are uncommon, and those attached to the anterior papillary muscle are exceptionally rare.

Observation:

  • A 32-year-old male experienced sudden cardiac death.
  • Autopsy revealed a left ventricular myxoma attached to the anterior papillary muscle.
  • The patient also had evidence of prior myocardial infarction and dilated cardiomyopathy.

Findings:

  • The left ventricular myxoma was clinically silent and undetected prior to death.
  • Myxomas can cause sudden cardiac death through obstruction, embolization, or arrhythmia.
  • This case represents one of the few documented instances of a left ventricular myxoma causing sudden death.

Implications:

  • Cardiac myxomas, even when asymptomatic, pose a risk of sudden cardiac death.
  • Early diagnosis and surgical excision of cardiac myxomas are crucial for preventing adverse outcomes.
  • Increased awareness and diagnostic vigilance for cardiac myxomas are warranted, particularly in cases of unexplained sudden death.