PACEMAKER IMPLANTATION IN PATIENT WITH PERSISTENT LEFT SUPERIOR VENA CAVA (SVC) WITH ABSENT RIGHT SVC

Persistent left superior vena cava (SVC) is an abnormality affecting 4.5 - 11% of patients with congenital heart disease. Most commonly, the left-sided SVC enters the coronary sinus (CS) with subsequent drainage into the right atrium, although approximately 8% of cases drain into a left atrium,