Blalock-Taussig Shunt
Blalock-Taussig Shunt Diagram
In congenital heart disease cases where not enough blood is pumped to the lungs, a Modified Blalock-Taussig Shunt may be surgically inserted between the aorta and the pulmonary artery. The "B-T Shunt" is a palliative measure that increases blood flow to the lungs and decreases an infant's blue appearance.

Some congenital heart defects that may require a Blalock-Taussig Shunt are Double Outlet Right Ventricle, Tetralogy of Fallot and Tricuspid Atresia, pictured in the diagram at left.
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