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Cyanotic heart defect
A cyanotic heart defect is a group-type of congenital heart defects (CHDs). The patient appears blue (cyanotic), due to deoxygenated blood bypassing the lungs and entering the systemic circulation. This can be caused by right-to-left or bidirectional shunting, or malposition of the great arteries.
Cyanotic heart defects, which account for approximately 25% of all CHDs, include:
Non Cyanotic Heart Defects
Non cyanotic heart defects are more common because of higher survival. In these the shunt is initially from left (oxygenated) to right ( non oxygenated). These are
When the defect is long standing, the shunt can reverse and lead to cyanosis.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Cyanotic_heart_defect". A list of authors is available in Wikipedia.|