Can the dampening effect of pulse-interval variablity on blood-pressure variability be separated from an opposit effect of primary variability in blood pressure during exercise?

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Authors

KRTIČKA Antonín HONZÍKOVÁ Nataša NOVÁKOVÁ Zuzana ZÁVODNÁ Eva

Year of publication 2002
Type Article in Proceedings
Conference Analysis of Biomedical Signals and Images.
MU Faculty or unit

Faculty of Medicine

Citation
Field Physiology
Keywords Baroreflex sensitivity; heart rate variability; blood pressure variability; exercise; alpha continuous index
Description A causal interrelationship between the 0.1 Hz variability of systolic blood pressure (SBP) and pulse intervals (PI), and baroreflex sensitivity (BRS) was shown. During exercise, the increasing primary variability in SBP due to sympathetic activation is present, but it does not change the relationship between variability in PI and BRS, which is mediated by parasympathetic nerves.
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