Why the study?
Does exercise or CO2 inhalation alter the intersubject variability in ventilatory and heart rate responses to progressive hypoxia in healthy male volunteers?
Population
17 healthy male volunteers
Comparison
CO2 inhalation and mild exercise during… vs At rest (control run) during progressive hypoxia
Design
Other
Authors
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Exercise and hypercapnia heighten HVR variability in healthy volunteers; hypothesis-generating for ventilatory control without clinical implications yet.
Does exercise or CO2 inhalation alter the intersubject variability in ventilatory and heart rate responses to progressive hypoxia in healthy male volunteers?
Exercise and CO2 inhalation increase the slope and intersubject variability of the hypoxic ventilatory response, but do not affect the heart rate response to hypoxia.
Satô et al. (1996) studied this question.
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