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Fig. 1A —Blalock-Taussig shunt. Sketch of Blalock-Taussig shunt.
Drawing shows classic Blalock-Taussig procedure in which end-to-side
anastomosis (gray) is performed between subclavian artery and
ipsilateral pulmonary artery, usually on side opposite descending aorta.
Although this procedure provides shunt flow appropriate for patient who is
size of infant, it requires careful, lengthy dissection and distorts
peripheral pulmonary artery.