Digital acquisition images of A) Amplatzer septal occluder (anterior posterior and lateral projections),(Courtesy of Abbott, Inc., Abbott Park, IL; with permission.) B) Gore Cardioform device (en face and orthogonal views), C) Cardioform Atrial Septal Defect Occluder (en face and orthogonal views). (Courtesy of W.L. Gore and Associates, Flagstaff, AZ; with permission.)