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Medical Term:

l-loop

Definition

Congenital heart disease in which the atrial situs is normal (i.e., solitus), but the position of the ventricles are inverted, and the connection of the great arteries discordant with l-position of the aorta. In l-looping, the aorta typically arises anteriorly from the right ventricle, and the pulmonary trunk arises posteriorly from the left ventricle.

Synonym(s): criss-cross heart, transposition of the great arteries

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