pseudocoarctation

Distortion, often with slight narrowing, of the aortic arch at the level of insertion of the ligamentum arteriosum. SYN: buckled aorta, kinked aorta.

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pseu·do·co·arc·ta·tion -(.)kō-.ärk-'tā-shən n a congenital abnormality of the aorta that resembles aortic coarctation in radiography but does not significantly block the flow of blood

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pseu·do·co·arc·ta·tion (soo″do-ko″ahrk-taґshən) an imprecise term used to refer to a condition radiographically resembling coarctation, but without compromise of the lumen of the affected structure, such as a “kinked aorta” (which is possibly an aortic arch anomaly).