Mobile left atrial round mass free floating in mitral regurgitation flow mimicking a whale spray.

A 77-year-old man with a history of atrial fibrillation presented with bilateral loss of vision. A CT scan revealed acute cerebral infarction in the left occipital lobe. Cardiogenic embolic stroke was diagnosed. Treatment with intravenous heparin and antioxidative radical scavenger, edaravone and oral warfarin was started. Nevertheless, he developed new aphasia, right-sided paralysis and left conjugate deviation of the eyes 3 weeks later. MRI revealed a new cerebral infarction in his temporal lobe. He was admitted to our …