Echocardiography: Time registrations of echocardiographic (EC) events a'-h' related to ECG in nine healthy adults (study M2). Events a' and b' are related to the starting point of the p-wave and c' through h' are related to the initial point of the q-wave in the ECG.
| EC events | ECG intervals | |||||||||
| Person No. | a' | b' | c' | d' | e' | f' | g' | h' | P-Q | R-R |
| 1 | 5.0 | 9.0 | 11.5 | 12.5 | 14.0 | 29.5 | 39.0 | 44.0 | 7.5 | 53 |
| 2 | 5.0 | 8.0 | 10.5 | 13.0 | 14.0 | 28.5 | 37.5 | 42.5 | 8.0 | 63 |
| 3 | 4.0 | 8.0 | 11.5 | 13.5 | 16.0 | 29.0 | 38.0 | 7.0 | 42 | |
| 4 | 5.0 | 8.5 | 10.5 | 12.0 | 14.5 | 28.0 | 35.5 | 7.5 | 43 | |
| 5 | 5.0 | 9.0 | 11.0 | 13.5 | 14.0 | 29.0 | 37.5 | 40.0 | 7.0 | 54 |
| 6 | 6.0 | 9.5 | 11.5 | 15.0 | 16.5 | 30.5 | 38.5 | 8.0 | 47 | |
| 7 | 5.0 | 8.0 | 11.5 | 14.0 | 15.5 | 29.5 | 38.5 | 40.0 | 7.5 | 48 |
| 8 | 5.0 | 8.0 | 11.5 | 11.5 | 14.5 | 27.5 | 36.5 | 39.5 | 7.0 | 48 |
| 9 | 5.5 | 8.5 | 11.0 | 13.5 | 15.5 | 29.5 | 37.5 | 41.0 | 8.0 | 50 |
| m | 5.1 | 8.5 | 11.2 | 13.2 | 14.9 | 29.0 | 37.6 | 41.2 | 7.5 | |
| +/- I | 0.4 | 0.5 | 0.4 | 0.9 | 0.8 | 0.7 | 0.9 | 2.0 | 0.4 | |