Atrial septal aneurysm Philippe Jeanty, MD, PhD Gloria Valero, MD Article Published: May 25, 2002 Atrial septal aneurysms are discussed elsewhere. These are 2 video-clips Sorry, your browser doesn't support embedded videos. Sorry, your browser doesn't support embedded videos. (similar images different compression) that demonstrate a typical case. Note how far the foramen ovale flap is in the left atrium, almost touching the free wall of the left atrium. Also note a few premature atrial contractions. Discussion Board Start a discussion about this article Add bookmark Bookmarked