| Abbreviations | Full text | Synonym |
| RV | right ventricle | |
| ASD | atrial septal defect | |
| IVS | interventricular septum | |
| SCV = SVC | superior caval vein | superior vena cava |
| CS | coronary sinus | |
| SBL | superior bridging leaflet | |
| IBL | inferior bridging leaflet | |
| AVV | common atrioventricular valve |