Steal syndrome secondary to coronary artery fistulae associated with giant aneurysm

Figure 1 The patient’s electrocardiography, demonstrating new anterior T wave inversion.

Figure 2 Coronary angiogram images demonstrating two fistulae arising from distal left main coronary artery and proximal left anterior descending artery supplying a large aneurysm. The aneurysm drains into the pulmonary artery through the arteriovenous fistulae.