Human ventilatory response to acute hyperoxia during and after 8 h of both isocapnic and poikilocapnic hypoxia.
During 8 h of either isocapnic or poikilocapnic hypoxia, there may be a rise in ventilation (VE) that cannot be rapidly reversed with a return to higher PO2 (L. S. G. E. Howard and P. A. Robbins. J. Appl. Physiol. 78:1098-1107, 1995). To investigate this further, three protocols were compared: 1) 8-h isocapnic hypoxia [end-tidal PCO2 (PETCO2) held at prestudy value, end-tidal PO2 (PETO2) = 55 Torr], followed by 8-h isocapnic euoxia (PETO2 = 100 Torr); 2) 8-h poikilocapnic hypoxia followed by ...Expand abstract
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- Journal of applied physiology (Bethesda, Md. : 1985)
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