Echocardiography: Time registrations of echocardiographic (EC) events a-k, related to ECG in nine healthy adults (study M1). Events a and b are related to the starting point of the p-wave and c through k 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 | i | j | k | P-Q | R-R |
| 1 | 5.0 | 9.5 | 11.5 | 15.0 | 15.0 | 27.5 | 29.5 | 30.5 | 36.0 | 36.0 | 38.5 | 8.0 | 60 |
| 2 | 5.0 | 7.5 | 10.5 | 13.5 | 14.5 | 26.5 | 28.0 | 29.0 | 35.0 | 35.0 | 38.5 | 8.5 | 61 |
| 3 | 5.0 | 9.0 | 11.5 | 13.5 | 13.5 | 26.5 | 28.5 | 29.0 | 33.0 | 34.5 | 38.5 | 7.0 | 48 |
| 4 | 5.5 | 8.5 | 10.5 | 12.5 | 14.5 | 26.0 | 28.0 | 28.0 | 31.0 | 33.0 | 36.0 | 6.5 | 43 |
| 5 | 7.0 | 9.0 | 11.5 | 14.0 | 14.0 | 27.5 | 29.0 | 29.0 | 33.5 | 34.5 | 37.5 | 7.0 | 55 |
| 6 | 6.0 | 9.0 | 10.5 | 12.5 | 15.5 | 28.0 | 29.0 | 31.0 | 31.0 | 34.5 | 37.5 | 9.0 | 40 |
| 7 | 6.0 | 9.5 | 10.5 | 14.5 | 14.5 | 28.0 | 30.5 | 30.5 | 33.0 | 35.5 | 40.5 | 8.5 | 48 |
| 8 | 5.0 | 8.0 | 11.5 | 14.0 | 14.0 | 26.5 | 28.0 | 30.0 | 30.0 | 33.5 | 35.5 | 7.0 | 50 |
| 9 | 6.0 | 8.0 | 11.5 | 15.5 | 15.5 | 28.0 | 29.5 | 31.5 | 34.5 | 36.5 | 37.5 | 8.0 | 54 |
| m | 5.6 | 8.7 | 11.1 | 13.9 | 14.6 | 27.2 | 28.9 | 29.8 | 33.0 | 34.8 | 37.8 | 7.6 | |
| +/- I | 0.6 | 0.6 | 0.4 | 0.8 | 0.6 | 0.6 | 0.7 | 0.9 | 1.6 | 0.9 | 1.2 | 0.7 | |