Congenital heart disease classification
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Congenital heart disease Microchapters |
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Differentiating Congenital heart disease from other Disorders |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Classification
Septal Defects
The septum is a wall of tissue which separates the left heart from the right heart. It is comparatively common for defects to exist in the interatrial septum or the interventricular septum, allowing blood to flow from the left side of the heart to the right, reducing the heart's efficiency. Ventricular septal defects are collectively the most common type of CHD, although approximately 30% of adults have a type of atrial septal defect called patent foramen ovale. Septal defects may or may not cause cyanosis depending on the severity of the defect.