J Cardiovasc Ultrasound.  2013 Mar;21(1):42-43. 10.4250/jcu.2013.21.1.42.

Bubbles in a Row: Finding of Pulmonary Arteriovenous Fistula on Transesophageal Echocardiography

• Park YH
• Kim JS
• Kim J
• Kim JH
• Chun KJ

• KMID: 1428379
• DOI: http://doi.org/10.4250/jcu.2013.21.1.42

Abstract

No abstract available.

Keyword

Pulmonary AV fistula; Transesophageal echocardiography; Stroke

MeSH Terms

Arteriovenous Fistula
Echocardiography, Transesophageal
Stroke

Figure

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  Fig. 1 Diffusion-weighted magnetic resonance imaging of brain shows multiple high-intensity signals in the right cerebellum.

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  Fig. 2 Contrast transthoracic echocardiogram illustrating delayed right-to-left passage of agitated saline contrast (microbubbles) in left atrium and left ventricle.

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  Fig. 3 Color flow imaging of transesophageal echocardiogram showing the inflow from left lower pulmonary vein (LLPV) and left upper pulmonary vein (LUPV). Contrast echocardiogram showing microbubbles in a row (arrows) draining into left atrium from LLPV but not from LUPV.

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  Fig. 4 Chest computed tomography angiogram with volume rendered reconstruction showing the fistula (arrow) located posteriorly in the left lower pulmonary lobe.

Reference

1. Ohara T, Nakatani S, Hashimoto S, Akaiwa Y, Yazaki S, Kimura K, Nakasone I, Masuda Y, Kanzaki H, Kitakaze M. A case of platypnea-orthodeoxia syndrome in a patient with a pulmonary arteriovenous fistula and a patent foramen ovale. J Am Soc Echocardiogr. 2007. 20:439.e5–439.e10.