First direct evidence of a Patent Foramen Ovale (PFO): a large thrombus straddling the foramen ovale

A 40-year-old male experienced intermittent heart palpitations and chest pain for 2 years was unconscious 20 h ago before being admitted to our hospital. In addition, a month prior to this incident, the patient had fractured his left calcaneus during an accident. Echocardiography revealed a large thrombus (39 mm × 18 mm) crossing the midst of the atrial septum, swinging in the right ventricular inflow tract …