Images in Cardiovascular Medicine Three-Dimensional Transesophageal Echocardiography for Secundum Atrial Septal Defects With a Large Eustachian Valve

irculation is pleased to announce a new initiative inpublishing: Circulation Online Only. In an effort topublish various types of articles more rapidly, we are lookingto put the Internet to its highest and best use and take fulladvantage of electronic publication. Thus, we now have asection of our journal entitled Circulation Online Only. Thearticles to be published in this section will be identified, andwhen applicable, an abstract published, on the special page inthe print journal differentiated by a red border. Each articlethat appears in Circulation Online Only is indexed in IndexMedicus, MEDLINE, and PubMed. Each article will alsoappear in the Table of Contents on the cover, denoted by a redstar, and in the Table of Contents within the journal, denotedby the letter e in front of the page number.James T. Willerson, MD,Editor-in-Chief