Measuring respiration from impedance (ICG) data

Running a 0.5 Hz low pass FIR filter on the raw impedance wave will result in a measure of respiration.


Ernst, J. M., Litvack, D. A., Lozano, D. L., Cacioppo, J. T., Berntson, G.G. (1999). Impedance pneumography: Noise as signal in impedance cardiography. Psychophysiology, 36, 333-338.

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