A patient with type I right pulmonary artery to left atrial fistula is bein
g presented. He had cyanosis with no precordial findings. Diagnosis was mad
e by transoesophageal echocardiography. Simple ligation of the fistula with
out cardiopulmonary bypass resulted in complete cure. Early operation to pr
event complications is highlighted. Transoesophageal findings of the lesion
have not been reported in literature. (C) 2001 Elsevier Science BN. All ri
ghts reserved.