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Figure 6: Live 3D transesophageal echocardiography demonstrates a catheter passing through a large atrial septal defect. The viewing perspective is unique: the observer is virtually located within the left atrium, looking rightwards. A, anterior; I, inferior

Figure 6: Live 3D transesophageal echocardiography demonstrates a catheter passing through a large atrial septal defect. The viewing perspective is unique: the observer is virtually located within the left atrium, looking rightwards. A, anterior; I, inferior