Physiology in fractal dimensions: Error tolerance

  title={Physiology in fractal dimensions: Error tolerance},
  author={Bruce J. West},
  journal={Annals of Biomedical Engineering},
The natural variability in physiological form and function is herein related to the geometric concept of a fractal. The average dimensions of the branches in the tracheobronchial tree, long thought to be exponential, are shown to be an inverse power law of the generation number modulated by a harmonic variation. A similar functional form is found for the power spectrum of the QRS-complex of the healthy human heart. These results follow from the assumption that the bronchial tree and the cardiac… CONTINUE READING
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