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Coarctation of the aorta (CoA) [1] [2] is a congenital condition whereby the aorta is narrow, usually in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts. The word coarctation means "pressing or drawing together; narrowing". Coarctations are most common in the aortic arch. The arch may be small in babies ...
The coarctation usually happens in adults just distal to this ligament. So now, there’s no mixing of deoxygenated and oxygenated blood, but just like in infantile coarctation, the pressure is increased before the coarctation since blood has a harder time squeezing through this narrowed artery, and it’s going to be lower downstream from the ...
An aortic coarctation is a narrowing of the aorta, which is split into infant and adult forms. In the infant form, it's often accompanied by patent ductus arteriosus, and mixing of deoxygenated and oxygenated blood, whereas in the adult form, the ductus arteriosus has closed off.
Interrupted aortic arch is a very rare heart defect (affecting 3 per million live births) [1] in which the aorta is not completely developed. There is a gap between the ascending and descending thoracic aorta. In a sense it is the complete form of a coarctation of the aorta. Almost all patients also have other cardiac anomalies, including a ...
Coarctation of the aorta; Of these four defects, supravalvular mitral membrane (SVMM) is the first to occur and triggers the development of the other three defects. Partial complexes, or forme fruste, have also been described. [1]
Common defects include pulmonic stenosis, aortic stenosis, and coarctation of the aorta, with other types such as bicuspid aortic valve stenosis and subaortic stenosis being comparatively rare. Any narrowing or blockage can cause heart enlargement or hypertension .
Coarctation of the aorta (CoA) – Narrowing of the aorta, typically of the aortic arch and is classically found in Turner syndrome. A "complete" coarction is called an interrupted aortic arch. Cor triatriatum – A membrane that divides one of the atria results in "three" atria (hence "triatriatum"). This tends to affect the left atrium more ...
Classic for a coarctation of the aorta. Coarctation of the aorta is narrowing of the aorta. This can occur in Turner's Syndrome, (gonadal dysgenesis). Turner's Syndrome is an X-linked disorder with absence of one X-chromosome. Other exam findings of coarctation of the aorta include radio-femoral delay.
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