High-frequency oscillations in a pulse wave signal and their relation to differential blood count leucocytes

High-frequency oscillations in a pulse wave signal in the range of 1–50 Hz and their relation to differential blood count leucocytes have been investigated. It is shown that the correlation coefficients grow in the frequency range of 1–12.5 Hz between high-frequency oscillations in a pulse wave signal and stab neutrophils, monocytes and segmented granulocytes. The procedure of smoothing the coefficients of harmonic variation has been proposed.