Sharing is caring: two coronary arteries sharing a single right coronary ostium in an adult patient with repaired tetralogy of Fallot

A 43-year-old man with repaired tetralogy of Fallot presented with chest pain. His electrocardiogram revealed sinus rhythm with non-specific ST-T wave changes, and a nuclear stress test was negative for ischaemia. Transthoracic echocardiography in the parasternal short-axis view at the level of the aortic cusp (AC) …