Quadri-Chamber Thrombi and Impending Paradoxical Embolism: Thrombus in Transit Through Patent Foramen Ovale.

Thrombus-in-transit through patent foramen ovale (PFO) is an extremely rare diagnosis that can often be associated with pulmonary embolism. Currently, data exists to guide management options; however, there is no medical consensus with regard to the optimal treatment strategy for thrombus-in-transit through PFO.