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Comparative Study
. 1987 Nov;10(5):538-43.
doi: 10.1161/01.hyp.10.5.538.

Assessment of baroreceptor reflex sensitivity by means of spectral analysis

H W Robbe  1 , L J Mulder, H Rüddel, W A Langewitz, J B Veldman, G Mulder
Affiliations
Comparative Study

Assessment of baroreceptor reflex sensitivity by means of spectral analysis

H W Robbe et al. Hypertension. 1987 Nov.

Abstract

A method of determining baroreceptor reflex sensitivity is proposed that is based on spectral analysis of systolic pressure values and RR interval times, namely, the modulus (or gain) in the mid frequency band (0.07-0.14 Hz) between these two signals. Results using this method were highly correlated (0.94; n = 8) with results of the phenylephrine method. In addition, compared with the values for the preceding rest period, the modulus decreased during mental challenge, as might be expected from the literature.

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