Abstract
The effects of oxygen inhalation on blood pressure and pulse rate responses to the cold pressor test were determined in 10 subjects. The results showed that under basal conditions diastolic pressures and pulse rates were significantly (P < 0.001) reduced by oxygen breathing. However, greater increases in systolic (P = 0.05) and diastolic (P < 0.01) pressures and pulse rates (P < 0.01) attended cold stimulation when oxygen was inhaled. One minute after removal of the cold bath, systolic and diastolic pressures remained significantly (P = 0.02, <0.001, respectively) further from basal levels during O2 experiments, although pulse rates had reached control values. Submitted on August 20, 1959
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