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Figure 2: Echocardiographic assessment. Panel A. From a modified parasternal short-axis view, a large and short connection (asterisk) is highlighted between ascending aorta and distal pulmonary artery, just proximal to bifurcation, resembling a distal aorto-pulmonary window. Panel B. Subxiphoid long axis view confirms the presence of a large connection (asterisk) between ascending aorta and pulmonary trunk, but points out a well developed aorto-pulmonary septum (arrow-head)

Figure 2: Echocardiographic assessment. Panel A. From a modified parasternal short-axis view, a large and short connection (asterisk) is highlighted between ascending aorta and distal pulmonary artery, just proximal to bifurcation, resembling a distal aorto-pulmonary window. Panel B. Subxiphoid long axis view confirms the presence of a large connection (asterisk) between ascending aorta and pulmonary trunk, but points out a well developed aorto-pulmonary septum (arrow-head)