Fluttering Thrombus in Patent Foramen Ovale With Paradoxical and Cerebral Embolism

A 56-year-old man was admitted with progressive dyspnea that started suddenly the previous day. Physical examination was normal. Pulmonary embolism was diagnosed on a computed tomography scan of the chest, which showed intraluminal filling defects in both pulmonary arteries and in the branches for the right lower lobe; it also showed a clot in …