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Validity of the Adaptive Filter for Accurate Measurement of Cardiac Output in Impedance Cardiography
2004
Tohoku journal of experimental medicine
The purpose of this study was to assess the validity of an adaptive filter, the scaled Fourier linear combiner (SFLC), in the impedance cardiography (ICG). Eight healthy males underwent constant-load bicycle exercise at different intensities from unloaded to near maximal intensity. The stroke volume (SV) and cardiac output (Q 4 ) measured by ICG at each condition were compared with those by the CO 2 rebreathing method. We found that the noises were greatly reduced in the impedance waveform and
doi:10.1620/tjem.202.181
pmid:15065644
fatcat:ohdqk47wzzcwlmk4xsbm7cbzsu