Respiratory sinus arrhythmia is associated with efficiency of pulmonary gas exchange in healthy humans.

@article{Giardino2003RespiratorySA,
  title={Respiratory sinus arrhythmia is associated with efficiency of pulmonary gas exchange in healthy humans.},
  author={Nicholas D Giardino and Robb W. Glenny and Soo Borson and Leighton Chan},
  journal={American journal of physiology. Heart and circulatory physiology},
  year={2003},
  volume={284 5},
  pages={H1585-91}
}
Respiratory sinus arrhythmia (RSA) may be associated with improved efficiency of pulmonary gas exchange by matching ventilation to perfusion within each respiratory cycle. Respiration rate, tidal volume, minute ventilation (.VE), exhaled carbon dioxide (.VCO(2)), oxygen consumption (.VO(2)), and heart rate were measured in 10 healthy human volunteers during paced breathing to test the hypothesis that RSA contributes to pulmonary gas exchange efficiency. Cross-spectral analysis of heart rate and… CONTINUE READING
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