Advertisement

Transcutaneous Monitoring of pCO2 for the Noninvasive Determination of the Anaerobic Threshold

  • K. Röcker
  • J. M. Steinacker
  • M. Stauch
Conference paper

Abstract

Ventilation at rest and on mild exercise is mainly controlled by pCO2. Increasing work load rises production of pCO2 in tissues. At the aerobic-anaerobic threshold (AAS) the accumulating hydrogen ions are buffered by carbonate till the buffering capacity is reached. Further increase in work load causes a decrease of pH and base excess (BE) which stimulate ventilation. At this point arterial pCO2 declines and ventilation rises. This is known as respiratory anaerobic threshold (1, 5, 7). Another concept to detect the AAS is to measure lactate concentration during increasing work load. Lactic AAS is defined by a fixed or individual value of blood lactate (2).

Keywords

Blood Lactate Anaerobic Threshold Mild Exercise Iridium Oxide Deflection Point 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    CAIOZZO V.J., Davis J.A., Ellis J.F., Asus J.L., Vandagriff R.: A comparison of gas exchange indices used to detect the anaerobic threshold. J. Appl. Physiol. 53: 1184–1189, 1982.PubMedGoogle Scholar
  2. 2.
    GLADDEN L.B.: Current “anaerobic threshold” controversies. Physiologist 27: 312, 1984.PubMedGoogle Scholar
  3. 3.
    GOLDMANN M., Gribbin H.R., Martin R.J., Loh L.: Transcutaneous pCO2 in adults. Anaesthesia 37: 944–946, 1982.CrossRefGoogle Scholar
  4. 4.
    SEVERINGHAUS J.W., Stafford M., Bradley A.F.: Acta. anaesth. scand. Suppl. 68: 118–122, 1978.CrossRefGoogle Scholar
  5. 5.
    STEINACKER J.M., Wodick R.E.: Möglichkeiten und Grenzen der transkutanen Bestimmung des arteriellen pO2 und pCO2 bei der Ergospirometrie. Med. Welt 37: 193, 1986.Google Scholar
  6. 6.
    STEINACKER J.M., Röcker K.: Transcutaneous monitoring of pO2 and pCO2 during running — A noninvasive determination of gas transport. In: Continuous transcutaneous monitoring, Huch A., Huch R., Rooth G. (eds.), Plenum Press, NY London, 1987.Google Scholar
  7. 7.
    WASSERMANN K., Koyal S.N., Whipp B.J.: Anaerobic threshold and respiratory gas exchange during exercise. J. Appl. Physiol. 35: 236, 1973.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • K. Röcker
    • 1
  • J. M. Steinacker
    • 1
  • M. Stauch
    • 1
  1. 1.Abt. Sport- und LeistungsmedizinMedizinische Universitätsklinik und PoliklinikUlmFederal Republic of Germany

Personalised recommendations