Minimum data length required for reliable resting frequency-domain ultra-short-term heart rate variability analysis

Key Points

• This research aims to identify the minimum data length necessary for accurate frequency-domain analysis of heart rate variability.
• Analyzed different recording durations of heart rate data.
• Compared results from frequency-domain analysis across various durations.
• Evaluated the implications for clinical and wearable technology applications.
• Shorter recording durations may yield reliable HRV results.
• Findings support the use of specific durations in clinical settings.
• Research indicates optimal recording lengths for wearable devices.

Abstract