A member asked:

Can coarctation of aorta cause cyanosis? is cyanosis due to hypoxia?

A doctor has provided 1 answer

Not in isolation: Coarctation only causes cyanosis when it is associated with other heart disease that allows blue blood to cross over to the red blood side. Cyanosis occurs in two situations: 1. When blue blood gets to the red blood side ("right-to-left shunting) or 2. When blood is not fully oxygenated in the lungs ("pulmonary venous desaturation").

Answered 9/28/2016

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