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2009•Journal of Practical Electrocardiology JSRequires access

The Influence of Respiratory Frequency Adjustment to Heart Rate Variability

Shen Zhong-yuan

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Abstract

Objective To explore the influence of respiration to heart rate variability(HRV) under different respiratory frequency adjustment. Methods 48 testees were tested by uniform respiration at 5/min,10/min and 20/min,recording electrocardiogram (ECG) and respiratory wave. Results Respiration peaks were shown at 0.05～0.12Hz,0.15～0.20Hz and 0.23～0.30Hz respectively. It is in complete synchronization between cyclical change of respiration and interval R-R. Conclusion The uniform respiration frequency affects not only high-frequency HRV,but also low-frequency HRV. HRV respiration peak frequency = respiration frequency(min) / HR(min). Therefore ,to explore whether HRV changes brought by uniform respiration can reflect the changes of the balance regulation of cardiovascular autonomic nerve,more research is necessary.

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What this paper is about

Objective To explore the influence of respiration to heart rate variability(HRV) under different respiratory frequency adjustment. Methods 48 testees were tested by uniform respiration at 5/min,10/min and 20/min,recording electrocardiogram (ECG) and respiratory wave. Results Respiration peaks were shown at 0.05～0.12Hz,0.15～0.20Hz and 0.23～0.30Hz respectively. It is in complete synchronization between cyclical change of respiration and interval R-R. Conclusion The uniform respiration frequency affects not only high-frequency HRV,but also low-frequency HRV. HRV respiration peak frequency = respiration frequency(min) / HR(min). Therefore ,to explore whether HRV changes brought by uniform respiration can reflect the changes of the balance regulation of cardiovascular autonomic nerve,more research is necessary.

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Available abstract

Objective To explore the influence of respiration to heart rate variability(HRV) under different respiratory frequency adjustment. Methods 48 testees were tested by uniform respiration at 5/min,10/min and 20/min,recording electrocardiogram (ECG) and respiratory wave. Results Respiration peaks were shown at 0.05～0.12Hz,0.15～0.20Hz and 0.23～0.30Hz respectively. It is in complete synchronization between cyclical change of respiration and interval R-R. Conclusion The uniform respiration frequency affects not only high-frequency HRV,but also low-frequency HRV. HRV respiration peak frequency = respiration frequency(min) / HR(min). Therefore ,to explore whether HRV changes brought by uniform respiration can reflect the changes of the balance regulation of cardiovascular autonomic nerve,more research is necessary.

Key concepts: Respiration, Heart rate variability, Medicine, Respiratory frequency, Respiratory system, Cardiology, Respiration rate, Vagal tone

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