Author： Krivoshchekov S. Divert G. Divert V.
Publisher： MAIK Nauka/Interperiodica
ISSN： 0362-1197
Source： Human Physiology, Vol.32, Iss.3, 2006-05, pp. : 301-307
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Abstract
Correlation and regression relationships between the indices of the body responsiveness to hypoxic impacts and initial individual values of indices of the respiratory system and heart activity were studied in a group of subjects during three repeated cycles of breathing alternately a hypoxic gas mixture (11 vol % O2) for 5 min and normal air for 5 min. A steady negative correlation between the most important regulatory indicator, the increase in the CO2 content of the lungs, and its initial level in individual subjects was found. This may determine the known “normalizing” curative and prophylactic effects of intermittent normobaric hypoxia on the gas transport system of the body. A correlation between the individual increase in the CO2 content of the lungs in response to hypoxia and changes in the heart rate and initial inhalation rate and depth, rather than oxygen consumption by the body, was found.
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