Pacman sign during device closure of the patent foramen ovale.

The Pacman Sign during devise closure of the patent foramen ovale refers to the aspect of the device on fluoroscopy that should be achieved before release. In an orthograde view, the cranial halves of the left and right atrial disks should appear like open jaws biting into the thick septum secundum reminding of arcade game figure Pacman about to gobble up a dot.