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A Case of an Interventricular Septum Pseudoaneurysm With Perforation Mimicking a Ventricular Septal Defect

Dawood Jamil1, Raef Fadel2, Patrick Kollman3

  • 1Internal Medicine, Henry Ford Health System, Detroit, USA.

Cureus
|December 6, 2024
PubMed

Insights

Ventricular pseudoaneurysm (PSA) is a rare complication of acute myocardial infarction (AMI). This case highlights a rare IVS PSA mimicking a VSD, emphasizing clinical suspicion for these life-threatening conditions.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Pathology

Background:

  • Ventricular pseudoaneurysm (PSA) is a rare, potentially fatal complication of acute myocardial infarction (AMI).
  • PSAs typically occur in the left ventricular apex, near the infarct zone.
  • Interventricular septal PSA is exceptionally rare.

Observation:

  • We report a unique case of an interventricular septal PSA.
  • This PSA presented with contained perforation into the right ventricle.
  • The condition mimicked a ventricular septal defect (VSD) in a patient with ST-elevation myocardial infarction (STEMI).

Findings:

  • The case demonstrates an unusual presentation of ventricular pseudoaneurysm.
  • Diagnostic challenges arise due to its mimicry of a ventricular septal defect.
  • Successful identification and management are crucial for patient outcomes.

Implications:

  • This case emphasizes the need for a high clinical suspicion for rare mechanical complications post-MI.
  • Understanding the pathophysiology of septal pseudoaneurysms is vital for timely diagnosis.
  • Reviewing treatment strategies for these life-threatening conditions is essential for cardiac care.
Keywords:
cardiothoracic and vascular surgerycritical care cardiologyintervention cardiologyventricular pseudoaneurysmventricular septal defect (vsd)

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