Echocardiography:Effects of atrial systole (event b) and early ventricular systole (event d or e) on ventricular septum (VS) and the posterior left ventricular (LV) wall thickness. This is compared with the thickness of the respective walls before atrial systole (event a).
| video s | frozen image s | |||
| Person No. | PIs | PIIs | PI s | PIIs |
| 1 | 0 | -3 | -3,0 | 0,2 |
| 2 | -4 | -1 | -4,-6,-7 | -2,-5,-2 |
| 3 | 0,-1 | -2,-1 | -3,-2,-2 | -1,-3,0 |
| 4 | 0 | 0 | 0,0 | -2,0 |
| 5 | 0,0,0 | 0,-3,0 | -2,-2,-4 | -1,-2,-4 |
| 6 | 0,-3,-5 | 0,-3,-3 | -3 | -5 |
| 7 | 0 | 0 | 0,-4,-6 | -4,-7,-1 |
| 8 | 0 | -2 | 2 | -1 |
| 9 | 0 | -2 | 0 | |
| m | -0.9 | -1.4 | -2.4 | -2.1 |
| +/- I | 1.0 | 0.8 | 1.2 | 1.1 |