Moey, Melissa Y. Y.Ebin, EmanuelMarcu, Constantin B.2020-04-032020-04-032018-08-16http://hdl.handle.net/10342/7944Absence of coronary sinus (CS) ostium and presence of a persistent superior left vena cava (PLSVC) are rare congenital anomalies.1 We report a case of spontaneous CS thrombosis with PLSVC associated with new-onset atrial fibrillation (AF) in the absence of recent coronary intervention.Article10.1093/ehjcr/yty092