| AF | atrial fibrillation |
| CS | coronary sinus |
| PLSVC | persistent left superior vena cava |
| SVC | superior vena cava |
| LOM | ligament of Marshall |
| LA | left atrium |
| LSPV | left superior pulmonary vein |
| LIPV | left inferior pulmonary vein |
| PVI | pulmonary vein isolation |
| PVs | pulmonary veins |
| ICE | intracardiac echocardiography |
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