Surgical unroofing of an anomalous right coronary artery arising from the posterior left sinus of valsalva.

A 25-year-old male patient presented with sudden collapse due to a cardiac arrest during physical exercise. An electrocardiogram revealed ST-T wave abnormalities. A coronary catheterization and complementary computer tomography angiography showed an anomalous right coronary artery arising from the posterior left sinus of Valsalva. A successful surgical unroofing was performed.