Abstract
Since the two last decades, due to the development of electronic devices and computers, the observation of the fine structure of the electric cardiac signal through non-invasive measurements is more and more a realistic challenge. The technique allowing such measurements is called High Resolution Electrocardiography (HRECG) to make a difference with the classical Electrocardiography (ECG). In classical ECG, the paper records obtained from standardized amplificators, analogic filters and leads configurations enable a rapid observation of the macroscopic behaviour of heart activity: heart rate, rhythm, conduction intervals, morphological aspect of the ECG waves (P, Q, R, S, T) associated to the depolarization and repolarization of the auricles and ventricles. The dynamic of the input signal is a few millivolts.
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Rix, H., Meste, O. (1997). Fine Structure of ECG Signal using Wavelet Transform. In: D’Attellis, C.E., Fernández-Berdaguer, E.M. (eds) Wavelet Theory and Harmonic Analysis in Applied Sciences. Applied and Numerical Harmonic Analysis. Birkhäuser, Boston, MA. https://doi.org/10.1007/978-1-4612-2010-7_7
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DOI: https://doi.org/10.1007/978-1-4612-2010-7_7
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