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Journal of Applied Physiology, Vol 38, Issue 2 366-368, Copyright © 1975 by American Physiological Society
ARTICLES |
T. E. Dahms, S. M. Horvath and D. J. Gray
A method is described for accurately adjusting a subject's blood carboxyhemoglobin (HbCO) level and then maintaining this level during either rest or exercise. The data presented describe the constancy with which HbCO levels (between 3 and 5% HbCO)were maintained despite varying the inspired ventilatory volumes from 5 to 120 1/min (BTPS). After an initial bolus inhalation of CO to bring the blood HbCO to a desired level, the concentration of CO in the inspired air to maintain this level of HbCO can be predicted from the following equation: COI (ppm) = desired %HbCO divided by 0.180.
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