Table 3. Primary anatomic diagnosis .
PA: Persistent arteriosus, LA: Left atrium, VSD: Ventricular septal defect, PDA: Patent ductus arteriosus, TOF: Tetralogy of Fallot
| Definitive Diagnosis | Number (%) |
| Septal defects | |
| - Atrial septal defect, secundum | 75 (30%) |
| - Atrial septal defect, sinus venosus | 6 (2.4%) |
| - Ventricular septal defect | 21 (8.4%) |
| - Atrio-ventricular septal defect, partial | 1 (0.4%) |
| - Atrio-ventricular septal defect, complete | 2 (0.8%) |
| Right heart lesions | |
| - Tetralogy of Fallot | 38 (15.2%) |
| - Ebstein’s disease | 3 (1.2%) |
| - Pulmonary atresia, VSD including TOF/PA | 7 (2.8%) |
| Thoracic arteries & veins | |
| - Aortic coarctation | 10 (4.0%) |
| - Coronary artery anomaly, origin | 1 (0.4%) |
| - Patent ductus arteriosus | 31 (12.4%) |
| Electrophysiologic | |
| - Arrhythmia, heart block, congenital | 11 (4.4%) |
| Pulmonary venous anomalies | |
| - Partial anomalous pulmonary venous connection | 1 (0.4%) |
| - Total Anomalous pulmonary venous connection | 2 (0.8%) |
| Left heart lesion | |
| - Subaortic membrane (subaortic stenosis) | 8 (3.2%) |
| Others | |
| - Ventricular septal defect + PDA | 5 (2.0%) |
| - Ventricular septal defect + Aortic stenosis | 3 (1.2%) |
| - Ventricular septal defect + Aortic regurgitation | 4 (1.6%) |
| - Ventricular septal defect + Coronary artery disease | 5 (2.0%) |
| - Atrial septal defect + Severe Tricuspid regurgitation | 7 (2.8%) |
| - Atrial septal defect + Mitral regurgitation | 4 (1.6%) |
| - Atrial septal defect + Severe Mitral stenosis | 3 (1.2%) |
| - Atrial septal defect + LA myxoma | 1 (0.4%) |
| - Atrial septal defect + PDA | 1 (0.4%) |