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Core Temperature Thresholds for Ventilation during Exercise

Temperature and Ventilation

  • Chapter
Modeling and Control of Ventilation

Part of the book series: Advances in Experimental Medicine and Biology ((AEMB,volume 393))

Abstract

An increase of body temperatures by about 1.0 °C in humans at rest increases the ventilation rate (8). Recently in humans we reported that passive hyperthermia, above thresholds of tympanic (Tty) and esophageal temperatures (Tes), induced an increase in ventilation rate that was proportional to the increase in core temperatures (4). This increased ventilation during hyperthermia leads to a small but significant increase respiratory heat loss (10) and this thermally induced hyperventilation in humans (3), as it does in other species (1), appears to be a thermolytic mechanism that could be contributing to selective brain cooling (SBC). SBC in hyperthermic humans occurs when the Tty is lower than Tes. During exercise, however, the relationship between ventilation and core temperatures is not so clear.

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Author information

Authors and Affiliations

  1. Department of Physiology, Laval University, Ste-Foy Quebec, Canada

    M. D. White & M. Cabanac

Authors
  1. M. D. White
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  2. M. Cabanac
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Editor information

Editors and Affiliations

  1. Charing Cross and Westminster Medical School, London, England

    Stephen J. G. Semple  & Lewis Adams  & 

  2. St. George’s Hospital Medical School, London, England

    Brian J. Whipp

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© 1995 Springer Science+Business Media New York

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White, M.D., Cabanac, M. (1995). Core Temperature Thresholds for Ventilation during Exercise. In: Semple, S.J.G., Adams, L., Whipp, B.J. (eds) Modeling and Control of Ventilation. Advances in Experimental Medicine and Biology, vol 393. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1933-1_34

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  • DOI: https://doi.org/10.1007/978-1-4615-1933-1_34

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-5792-6

  • Online ISBN: 978-1-4615-1933-1

  • eBook Packages: Springer Book Archive

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