DOI: https://doi.org/10.22141/2224-0586.8.71.2015.79204

Effects of Stress on Heart Rate Variability in Emergency Medical Service Field Staff

B.M. Goldovsky, S.O. Potalov, Ye.V. Sid, K.V. Serikov, N.V. Nasteka, K.K. Malashenko

Abstract


Emergency medical service providers are affected by a complex of factors, the main of which are psycho-emotional stress and systematic exercise stress, requiring constant tension of body’s regulatory systems. Heart rate variability is one of the most informative methods for quantitative assessment of the state of the autonomic nervous system. The activity of the sympathetic and parasympathetic divisions of the autonomic nervous system is the result of regulation of regulation of the blood circulation system, time-varying its parameters to achieve optimal adaptive response that reflects the adaptive regulation of the whole organism. The subjects of the scientific study were 42 emergency medical service providers of the ave­rage age of 46 ± 2 years old. All members of this group belonged to the emergency medical service field staff with a special rhythm of work/work schedule. The analysis of heart rate variability, being a non-invasive method of research, allows us to analyze the changes in the level of regulation of the cardiovascular system under stress. Changes in heart rate variability measured by SDNN and TР indexes give ground to assess the degree of tension of regulatory systems under stress in emergency medical service providers.

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