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A 62-year-old man was admitted to the coronary care unit due to anginal pain and palpitations--coronary angiography revealed three-vessel coronary artery disease. The unexpected finding was the presence of coronary to pulmonary artery fistulae bilaterally, from both the proximal RCA and the proximal LAD. Right heart catheterization revealed normal right ventricular and pulmonary artery pressure and absence of hemodynamically significant left to right shunt. The patient underwent a triple coronary bypass including the closure of bilateral fistulae, which were draining into the left sinus of the pulmonary valve. One month after the operation he was in good health and had no complaints. Bilateral coronary artery fistulae is a rare anomaly diagnosed in 0.002-0.0013% of adult coronary angiograms. (Int J Cardiovasc Intervent 1999; 2: 249-251).

We present the case of rare coronary circulation anomaly discovered during the routine coronary angiography that was associated with unusual "burning" sensation reported by the patient. (Int J Cardiovasc Intervent 2004; 6: 151-152)