Clinical Study
Heartbeat Cycle Length Detection by a Ballistocardiographic Sensor in Atrial Fibrillation and Sinus Rhythm
Table 1
ECG and BCG interval characteristics before and after cardioversion.
| | Atrial fibrillation | Sinus rhythm | value | | Mean (±SD) | Mean (±SD) |
| ECG interval [ms] | 729 (±280) | 1004 (±180) | <0.001 | BCG interval [ms] | 758 (±276) | 983 (±199) | <0.001 | Quality index [AU]* | 0.41 (±0.21) | 0.52 (±0.27) | <0.001 | BCG amplitude [AU]* | 0.088 (±0.047) | 0.059 (±0.03) | <0.001 | Integral BCG complex [AU]* | 0.018 (±0.011) | 0.011 (±0.006) | <0.001 |
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AU: arbitrary units.
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