Key result
Pre-exam stress in medical students was associated with elevated sympathetic nervous system activity (PLF=48.4%), while increasing BMI was linked to decreased parasympathetic activity.
Why the study?
Medical students often face strain in adaptation mechanisms during exam preparation, which may create preconditions for functional deregulation in body systems.
Does pre-exam stress affect heart rate variability and vegetative nervous system regulation in medical students with different metabolic statuses?
Population
2nd and 3rd year medical students with different metabolic status
Comparison
BMI < 25 vs BMI 25–29.99 vs BMI 30–34.99 during pre-exam stress
Design
Observational cross-sectional study
Authors
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HRV patterns in pre-exam students may flag autonomic strain; leaves open metabolic status effects on adaptation.
Cross-Sectional
No
Does pre-exam stress affect heart rate variability and vegetative nervous system regulation in medical students with different metabolic statuses?
Pre-exam stress in medical students is associated with increased sympathetic nervous system activity, which is further exacerbated by higher BMI, suggesting a need for targeted stress prevention.
V.A. Belyaeva (2020) conducted a cross-sectional in Pre-exam stress and varying metabolic status. Pre-exam stress and varying BMI was evaluated on Heart rate variability (HRV) parameters in time and frequency domains. Pre-exam stress in medical students was associated with elevated sympathetic nervous system activity (PLF=48.4%), while increasing BMI was linked to decreased parasympathetic activity.
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