Coronary artery fistula in infancy

An 11-month-old boy presented with a grade 2/6 continuous murmur in the second left intercostal space. History revealed no clinical symptoms. Doppler echocardiography demonstrated a high-velocity systolic jet (6 m/s) into the right atrium ( Panels A and B ). Selective angiography confirmed a large coronary artery fistula from the left coronary sinus, which …