Rheovasography and cardiorhythmography methods were used in this study for heart rate variability analysis.
Methods of rheovasography as testing of peripheral blood flow in hands and cardiorhythmography for testing heat
rate variability were used in this study. The tests were carried out in groups of adolescents (38 girls, 36 boys) at the
age of 15-16 years taking into account hypothermic test. We detected different types of peripheral hemodynamic
response to cold depending on the type of heart work regulation. System of peripheral blood circulation in vagonotic
girls is more stable to exogenous exposure such as cold in comparison to boys.
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