Grown-up Congenital Heart Disease (GUCH): Difference between revisions

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=== Case report ===   
=== Case report ===   
=== Introduction ===
=== Introduction ===
 
[[File:6. PDA.jpg|thumb|right|Figure 6. Schematic cross-section of the heart showing a patent ductus arteriosus.]]
The ductus arteriosus (DA) is a fetal vascular connection between the main pulmonary artery and the descending aorta that diverts blood away from the pulmonary bed (figure 6). After birth, the DA undergoes active constriction and eventual obliteration. A patent ductus arteriosus (PDA) occurs when the ductus fails to completely close postnatally.
The ductus arteriosus (DA) is a fetal vascular connection between the main pulmonary artery and the descending aorta that diverts blood away from the pulmonary bed (figure 6). After birth, the DA undergoes active constriction and eventual obliteration. A patent ductus arteriosus (PDA) occurs when the ductus fails to completely close postnatally.


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