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Figure 1: Right ventriculogram demonstrates complete occlusion of the MBTS (black arrow) and right pulmonary artery (white arrow) MBTS: Modified Blalock-Taussig shunt

Figure 1: Right ventriculogram demonstrates complete occlusion of the MBTS (black arrow) and right pulmonary artery (white arrow) 
MBTS: Modified Blalock-Taussig shunt