Proposes an adaptable high-pass filtering method for ECG baseline drift suppression that preserves specific waveform parameters.
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May reduce ECG waveform distortion in signal processing; leaves open prospective clinical validation before routine use.
Baseline drift may often impede automatic ECG measurement and interpretation. Known methods for drift suppression do not take into consideration specific waveform parameters of various ECG signals. We propose high-pass filtering with adaptable cut-off frequency in order to keep RS amplitude changes below a selectable threshold and to preserve ST segment shape within acceptable limits.
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Dotsinsky et al. (2004) studied this question.
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