Atrioesophageal fistula: a rare cause of brain embolization

More attention should be paid to atrial-esophageal fistula, and not all atrial-esophageal fistulas are iatrogenic

“…Radiological examinations including chest CT and brain magnetic resonance imaging (MRI) provided key information in the process of diagnosis ( 5 ). And an upper gastroscopy was not performed to avoid worsening the condition ( 6 ). Early surgery removed the foreign body successfully, and it might be the most important step for AEFs caused by the esophagus foreign body.…”