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Related Experiment Videos

Systemic embolization complicating right ventricular myocardial infarction

K M Harris1, M F Haney, B Gerling

  • 1Section of Cardiology, Dartmouth-Hitchcock Medical Center, Lebanon, NH.

Archives of Internal Medicine
|January 9, 1995
PubMed
Summary
This summary is machine-generated.

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Right ventricular infarction can cause paradoxical embolization through a patent foramen ovale. Transesophageal echocardiography is key for diagnosis, and a novel occluder device prevented further clots.

Area of Science:

  • Cardiology
  • Diagnostic Imaging
  • Interventional Cardiology

Background:

  • Right ventricular infarction (RVI) can lead to complex embolic events.
  • Paradoxical embolism, where clots travel from venous to arterial circulation, is a rare but serious complication.

Observation:

  • A patient presented with recurrent pulmonary and systemic emboli secondary to RVI.
  • Transesophageal echocardiography revealed right atrial spontaneous contrast, appendage thrombosis, and a patent foramen ovale (PFO) with right-to-left shunting.

Findings:

  • The findings confirmed paradoxical embolization as the mechanism for the patient's thromboembolic events.
  • Absence of left ventricular thrombosis ruled out intrinsic cardiac sources for embolism.

Implications:

Related Experiment Videos

  • This case highlights the potential frequency of paradoxical embolization in RVI, often undetected.
  • Transesophageal echocardiography is crucial for diagnosing this condition.
  • Percutaneous closure of the PFO with a novel occluder effectively prevented recurrent thromboembolism, reducing morbidity.