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      Assessment of baroreceptor reflex sensitivity by means of spectral analysis.

      Hypertension
      Adult, Blood Pressure, Heart Rate, Humans, Male, Memory, physiology, Mental Processes, Phenylephrine, pharmacology, Pressoreceptors, drug effects, Reflex, Spectrum Analysis

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          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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          Author and article information

          Journal
          3666866
          10.1161/01.HYP.10.5.538

          Chemistry
          Adult,Blood Pressure,Heart Rate,Humans,Male,Memory,physiology,Mental Processes,Phenylephrine,pharmacology,Pressoreceptors,drug effects,Reflex,Spectrum Analysis

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