Normal M mode echocardiographic values from infancy to 18 years with a mean body surface area (BSA) from 0.25 m2 to 2.0 m2
| BSA (m2) | RVAWd (mm) | RVDD (mm) | IVSd (mm) | IVSs (mm) | LVEDD (mm) | LVESD (mm) | LVPWd (mm) | LVPWs (mm) | PAD (mm) | AoD (mm) | LAD (mm) | |
| 0.25 | 1.4 | 4.2 | 2.4 | 2.5 | 16.4 | 10.2 | 2.6 | 3.7 | 9.6 | 8.0 | 10.5 | |
| 2.6 | 8.7 | 3.8 | 5.2 | 20.0 | 13.2 | 3.6 | 5.7 | 12.8 | 10.4 | 14.0 | ||
| 3.8 | 13.2 | 5.2 | 7.9 | 23.6 | 16.2 | 4.6 | 7.7 | 16.0 | 12.8 | 17.5 | ||
| 0.275 | 1.4 | 4.2 | 2.4 | 2.6 | 17.0 | 10.4 | 2.7 | 3.9 | 9.6 | 8.6 | 11.5 | |
| 2.6 | 8.7 | 3.8 | 5.4 | 21.2 | 13.6 | 3.8 | 5.9 | 13.6 | 11.1 | 15.1 | ||
| 3.8 | 13.2 | 5.2 | 8.2 | 25.4 | 16.8 | 4.9 | 7.9 | 17.6 | 13.6 | 18.7 | ||
| 0.30 | 1.6 | 4.2 | 2.5 | 3.0 | 18.0 | 10.8 | 2.8 | 4.2 | 10.3 | 9.0 | 11.5 | |
| 2.7 | 8.7 | 3.9 | 5.8 | 22.9 | 14.8 | 4.1 | 6.3 | 14.5 | 11.3 | 15.3 | ||
| 3.8 | 13.2 | 5.3 | 8.6 | 25.8 | 18.8 | 5.4 | 8.4 | 18.7 | 13.6 | 19.1 | ||
| 0.35 | 1.6 | 4.3 | 2.5 | 3.0 | 19.0 | 10.8 | 2.8 | 4.4 | 11.0 | 10.0 | 12.0 | |
| 2.7 | 8.8 | 3.9 | 5.8 | 23.6 | 14.8 | 4.1 | 6.6 | 15.0 | 12.0 | 16.3 | ||
| 3.8 | 13.3 | 5.3 | 8.6 | 27.2 | 18.8 | 5.4 | 8.8 | 19.0 | 14.0 | 20.6 | ||
| 0.40 | 1.6 | 4.4 | 2.6 | 3.2 | 21.0 | 12.0 | 2.9 | 4.5 | 11.5 | 10.9 | 13.0 | |
| 2.7 | 8.9 | 4.1 | 6.2 | 26.0 | 16.1 | 4.2 | 6.8 | 15.4 | 12.9 | 16.8 | ||
| 3.8 | 13.4 | 5.6 | 9.2 | 31.0 | 20.1 | 5.5 | 9.1 | 19.3 | 14.9 | 20.6 | ||
| 0.45 | 1.65 | 4.5 | 2.6 | 3.3 | 22.0 | 13.0 | 3.1 | 5.0 | 12.8 | 11.9 | 13.8 | |
| 2.75 | 9.0 | 4.2 | 6.3 | 27.1 | 17.0 | 4.6 | 7.3 | 17.2 | 14.1 | 17.8 | ||
| 3.85 | 13.5 | 5.8 | 9.3 | 32.1 | 21.0 | 6.1 | 9.6 | 21.6 | 16.3 | 21.8 | ||
| 0.50 | 1.65 | 4.8 | 2.7 | 3.5 | 23.4 | 14.0 | 3.1 | 5.2 | 13.6 | 12.2 | 14.5 | |
| 2.75 | 9.3 | 4.3 | 6.6 | 29.0 | 18.0 | 4.6 | 7.5 | 18.3 | 14.9 | 18.7 | ||
| 3.85 | 13.8 | 5.9 | 9.7 | 34.6 | 22.0 | 6.1 | 9.8 | 23.0 | 17.7 | 22.9 | ||
| 0.55 | 1.65 | 5.0 | 3.1 | 3.7 | 25.6 | 15.0 | 3.3 | 5.7 | 14.6 | 12.6 | 15.3 | |
| 2.75 | 9.5 | 4.6 | 6.8 | 31.0 | 19.3 | 4.8 | 8.0 | 19.6 | 15.2 | 19.7 | ||
| 3.85 | 14.0 | 6.1 | 9.9 | 36.4 | 23.6 | 6.3 | 10.3 | 24.6 | 17.8 | 24.1 | ||
| 0.60 | 1.7 | 5.2 | 3.3 | 3.8 | 26.0 | 15.4 | 3.3 | 5.7 | 15.3 | 12.8 | 16.1 | |
| 2.8 | 9.6 | 4.8 | 6.9 | 31.6 | 19.9 | 4.8 | 8.0 | 20.3 | 15.6 | 20.1 | ||
| 3.9 | 14.0 | 6.3 | 10.0 | 37.2 | 24.4 | 6.3 | 10.3 | 25.3 | 18.4 | 24.1 | ||
| 0.65 | 1.7 | 5.5 | 3.3 | 3.8 | 27.2 | 15.7 | 3.4 | 5.8 | 15.4 | 13.2 | 16.1 | |
| 2.8 | 9.9 | 4.8 | 6.9 | 33.2 | 20.4 | 4.9 | 8.2 | 20.4 | 16.2 | 20.8 | ||
| 3.9 | 14.3 | 6.3 | 10.0 | 39.2 | 25.1 | 6.4 | 10.6 | 25.4 | 19.2 | 25.5 | ||
| 0.70 | 1.7 | 5.7 | 3.5 | 4.2 | 27.4 | 16.1 | 3.5 | 6.1 | 15.8 | 13.5 | 16.2 | |
| 2.8 | 10.1 | 5.0 | 7.2 | 33.9 | 21.3 | 5.2 | 8.7 | 20.8 | 16.9 | 21.2 | ||
| 3.9 | 14.5 | 6.5 | 10.2 | 40.4 | 26.5 | 6.9 | 11.3 | 25.8 | 20.3 | 26.2 | ||
| 0.80 | 1.7 | 5.8 | 3.6 | 4.4 | 29.6 | 17.7 | 3.6 | 6.2 | 15.8 | 14.5 | 16.5 | |
| 2.8 | 10.5 | 5.2 | 7.5 | 35.8 | 22.7 | 5.7 | 9.1 | 20.8 | 17.9 | 22.5 | ||
| 3.9 | 15.2 | 6.8 | 10.6 | 42.0 | 27.7 | 7.8 | 12.0 | 25.8 | 21.3 | 28.5 | ||
| 0.90 | 1.7 | 6.4 | 3.8 | 4.9 | 31.0 | 18.0 | 3.7 | 6.8 | 16.7 | 15.1 | 17.0 | |
| 2.8 | 11.0 | 5.6 | 8.3 | 37.1 | 23.6 | 5.9 | 9.5 | 22.5 | 18.7 | 23.2 | ||
| 3.9 | 15.6 | 7.4 | 11.7 | 43.2 | 29.2 | 8.1 | 12.2 | 28.3 | 22.3 | 29.4 | ||
| 1.00 | 1.7 | 6.4 | 4.0 | 5.1 | 31.7 | 18.6 | 3.7 | 6.8 | 17.8 | 16.3 | 19.2 | |
| 2.8 | 11.2 | 5.8 | 8.4 | 38.5 | 24.4 | 5.9 | 9.5 | 24 | 19.9 | 25 | ||
| 3.9 | 16.0 | 7.6 | 11.7 | 45.3 | 30.2 | 8.1 | 12.2 | 30.2 | 23.5 | 30.8 | ||
| 1.10 | 1.8 | 7.4 | 4.3 | 5.4 | 32.5 | 19.6 | 3.9 | 7.0 | 17.8 | 17.5 | 19.5 | |
| 2.9 | 11.8 | 6.2 | 9.0 | 39.4 | 25.2 | 6.3 | 10.3 | 24 | 20.9 | 25.2 | ||
| 4.0 | 16.2 | 8.1 | 12.6 | 46.3 | 30.8 | 8.7 | 13.6 | 30.2 | 24.3 | 30.9 | ||
| 1.20 | 1.8 | 7.6 | 4.7 | 5.4 | 35.5 | 21.5 | 4.0 | 7.6 | 18.3 | 17.5 | 20.9 | |
| 2.9 | 12.4 | 6.5 | 9.0 | 41.7 | 27.1 | 6.6 | 10.7 | 24.3 | 21.0 | 26.0 | ||
| 4.0 | 17.2 | 8.3 | 12.6 | 47.9 | 32.7 | 9.2 | 13.8 | 30.3 | 24.5 | 31.1 | ||
| 1.30 | 1.9 | 8.5 | 4.8 | 5.4 | 35.8 | 21.5 | 4.3 | 8.1 | 18.8 | 17.5 | 21.7 | |
| 3.0 | 13.5 | 6.6 | 9.0 | 42.4 | 27.1 | 6.9 | 11.0 | 24.6 | 21.7 | 27.3 | ||
| 4.1 | 18.5 | 8.4 | 12.6 | 49.0 | 32.7 | 9.5 | 13.9 | 30.4 | 25.9 | 32.9 | ||
| 1.40 | 1.9 | 9.0 | 4.9 | 5.8 | 37.3 | 22.0 | 4.3 | 8.5 | 21.4 | 17.9 | 22.8 | |
| 3.0 | 14.0 | 6.7 | 9.2 | 43.3 | 27.6 | 6.9 | 11.5 | 26.8 | 22.7 | 28.2 | ||
| 4.1 | 19.0 | 8.5 | 12.6 | 49.3 | 33.2 | 9.5 | 14.5 | 32.2 | 27.5 | 33.6 | ||
| 1.50 | 1.9 | 10.0 | 5.2 | 5.8 | 39.0 | 22.5 | 4.9 | 8.5 | 21.8 | 18.2 | 23.7 | |
| 3.1 | 15.6 | 7.4 | 9.5 | 45.4 | 28.6 | 7.7 | 12.0 | 27.4 | 23.6 | 29.9 | ||
| 4.3 | 21.2 | 9.6 | 13.2 | 51.8 | 34.7 | 10.5 | 15.5 | 33.0 | 29.0 | 36.1 | ||
| 1.75 | 1.9 | 10.3 | 5.6 | 5.8 | 36.8 | 23.4 | 5.1 | 9.5 | 22.5 | 18.2 | 23.8 | |
| 3.1 | 16.5 | 8.0 | 9.8 | 46.8 | 29.8 | 8.1 | 12.8 | 28.5 | 24.4 | 30.4 | ||
| 4.3 | 22.7 | 10.4 | 13.8 | 54.8 | 36.2 | 11.1 | 16.1 | 34.5 | 30.6 | 37.0 | ||
| 2.00 | 1.9 | 11.5 | 6.8 | 6.5 | 45.4 | 25.6 | 5.1 | 9.6 | 23.5 | 23 | 23.7 | |
| 3.1 | 17.5 | 9.3 | 10.3 | 53.4 | 34.4 | 8.1 | 14.2 | 29.5 | 27.4 | 32.5 | ||
| 4.3 | 23.5 | 11.8 | 14.1 | 61.4 | 43.2 | 11.1 | 18.8 | 35.5 | 31.8 | 41.3 | ||
See table 1 for key to abbreviations.