| AI | Artificial intelligence |
| AUC | Area under the curve |
| CHD | Congenital heart disease |
| FN | False negatives |
| FP | False positives |
| LAPSD ratio | Left-atrial posterior-space-to-diagonal ratio |
| mDice | Mean values of the Dice coefficient |
| PLAS index | Post-left atrium space index |
| ROC | Receiver operating characteristic |
| TAPVC | Total anomalous pulmonary venous connection |
| TP | True positives |
| YOLO | You only look once |
| 4CV | Four-chamber view |