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Figure 7: This is an apical four chamber 3D echocardiogram in a patient with atrioventricular septal defect. Arrowheads mark the hinges of the common atrioventricular junction. The bridging leaflets divide the defect into an interatrial (ASD) and interventricular (VSD) component. Note the posterior location of the inferior vena caval orifice (IVC) relative to the septal structures. L, left; S, superior

Figure 7: This is an apical four chamber 3D echocardiogram in a patient with atrioventricular septal defect. Arrowheads mark the hinges of the common atrioventricular junction. The bridging leaflets divide the defect into an interatrial (ASD) and interventricular (VSD) component. Note the posterior location of the inferior vena caval orifice (IVC) relative to the septal structures. L, left; S, superior