Echocardiography: AV-plane displacement obtained by "video" replay sector scan technique, in two positions: M2 and M3.
| video | ||
| Person No. | M2' | M3' |
| 1 | 20 | 19 |
| 2 | 20 | 20 |
| 3 | 26,23 | 18,20 |
| 4 | 20 | 20 |
| 5 | 22,24,20 | 18,16,20 |
| 6 | 23,22,23 | 22,18,18 |
| 7 | 26 | 23 |
| 8 | 19 | 14 |
| 9 | 20 | 20 |
| m | ||
| +/- I | ||