| ECG | Electrocardiograph |
| EMD | Empirical mode decomposition |
| FPC | Flexible printed circuit |
| RLD | Right leg drive |
| IMF | Intrinsic mode functions |
| HIT | Hilbert transform |
| RMSE | Root mean square error |
| CMRR | Common mode rejection ratio |
| SNR | Signal-to-noise ratio |
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