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congenital pulmonary arteriovenous fistula

 

Definition: multiple, usually dilated, vessels connecting pulmonary artery and vein, most cases found in Rendu-Osler-Weber syndrome (q.v.), causes an increasing physiologic right-to-left shunt (q.v.).

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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