Table 4.12 - Frequency of congenital heart defects. 1508 defects from the 2496 cases in the pediatric cardiology registry of the Medical University of South Carolina over 2 years.
| Manifestation | Defect | Frequency, % |
|---|---|---|
| Common L-R shunts | VSD ASD PDA Total | 34 15 9 58% |
| Common R-L shunts | Tetralogy Transposition Hypoplastic LV Tricuspid atresia Total | 7 3 1 1 12% |
| Common obstr. defects | Pulmonary stenosis Aortic stenosis Coarctation Total | 9 5 4 18% |
| Less common defects | Total | 4.6% |
| Unlisted & complex defects | Total | 7% |
| Grand Total | 99.6% |