Affiliation:
1. Institute for Experimental Psychology, University of Groningen, The Netherlands.
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.
Publisher
Ovid Technologies (Wolters Kluwer Health)
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