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Double outlet right ventricle. In this image, the left-sided right ventricle gives rise to both the great arteries. There is some deviation of the conal septum, so that this protrudes below the pulmonary valve. The pulmonary valve appears to be smaller than the aortic valve (identified as the nondividing vessel). The pulmonary artery (PA) is identified as the vessel that bifurcates distally. The aorta (AO) is anterior and larger than the pulmonary artery. This great artery relationship should be confirmed in other views.