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Central origin vs. reflex feedback in the respiratory heart rate relationship

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Abstract

In the midcollicular decerebrate cat we have observed unique respiratory variation in heart rate (respiratory-heart rate relationship, RHRR) in respiratory intervals of 2–7 s or Biot's breathing of paired breaths at 16-s intervals. Cardiac slowing that marked the respiratory segmentation of the heartbeat showed consistent relationship with the breath itpreceded by 1 to 5 s. Thus, association of respiration and heartbeat must include synergistically central interrelated origins for respiration cardiac rates constituting the RHRR.

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Authors and Affiliations

  1. Laboratories of Physiology and Surgery Baylor College of Medicine, Texas Medical Center, Houston, Texas

    Robert E. Schuhmann & Hebbel E. Hoff

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  1. Robert E. Schuhmann
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  2. Hebbel E. Hoff
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Schuhmann, R.E., Hoff, H.E. Central origin vs. reflex feedback in the respiratory heart rate relationship. Ann Biomed Eng 14, 543–546 (1986). https://doi.org/10.1007/BF02484471

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  • DOI: https://doi.org/10.1007/BF02484471

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