HEART RHYTHM, cilt.18, sa.7, ss.1064-1073, 2021 (SCI-Expanded, Scopus)
BACKGROUND Coronary sinus (CS) ostial atresia/abnormalities prevent access to the CS from the right atrium (RA) for left ventricular (LV) lead implantation. Some patients with CS ostial abnormalities also have a small persistent left superior vena cava (sPLSVC).