Cardiovascular regulation response to hypoxia during stepwise decreases from 21% to 15% inhaled oxygen.


INTRODUCTION The classical view states that hypoxia beyond an oxygen concentration of about 17% induces tachycardia. However, few studies have investigated the dose-dependent effects of acute normobaric hypoxia on autonomic nervous regulation of the cardiovascular system. Therefore, we evaluated the effects of stepwise hypoxia on cardiovascular neural… (More)


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