Echocardiography plays a critical role prior to, during and after percutaneous device closure of interatrial communications. The ability to visualize interatrial communications and closure devices from within the heart offers clear advantages. 3D TEE is a valuable tool, especially because of its ability to provide en-face views. Adding to these benefits, 3D TEE offers a cost-effective, scar-free, safe and easy alternative to 2D TEE to diagnose ASD and guide ASD device closure.

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