Aorto-left atrial fistula, the role of transesophageal echocardiography: a case report

A 73 woman with a history of replacement of heart valves (mitro-aortic replacement with biological prosthesis about a year before) was referred for surgical evaluation for a progressive worsening of fatigue and dyspnea and for low-grade fever in the evening. She was diabetic and with rheumatoid arthritis on treatment with corticosteroids. She had a history of previous duodenal ulcer, hysterectomy and splenectomy.