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Pseudoaneurysm of the Mitral-Aortic Intervalvular Fibrosa with Fistulous Flow into the Left Atrium Masquerading as Severe Mitral Regurgitation
  • Imad Bagh,
  • Thomas Marino,
  • Jeffrey Silbiger
Imad Bagh
Icahn School of Medicine at Mount Sinai
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Thomas Marino
Icahn School of Medicine at Mount Sinai
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Jeffrey Silbiger
Icahn School of Medicine at Mount Sinai
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Abstract

Pseudoaneurysms of the mitral-aortic intervalvular fibrosa are a well-described complication of aortic valve prosthetic endocarditis. Pseudoaneurysms in this location may be complicated by formation of fistulous tracts with adjacent structures. Herein we describe a case in which fistulous flow into the left atrium produced an eccentric jet on color flow Doppler imaging which masqueraded as severe mitral regurgitation.