| Temporal parameters | A | Wave amplitude of the bioimpedance derivate signal |
| C | ||
| O | ||
| X | ||
| S | Bioimpedance signal maximum amplitude | |
| Spectral parameters | r1 | Spectral parameters
|
| r2 | ||
| r3 | ||
| Cepstral parameters | U | Cepstral parameters (cardiac excitation amplitude: cepstral C2) |
| M | ||
| N | ||
| F | Cepstral parameters (impulsional response amplitude: cepstral C3) | |
| I | ||
| G | ||
| LF | LF is the normalized width of wave F (aortic cepstral): = |