Abstract
Summary and Conclusions
1. Changes in heart rate were recorded during the application of hypoxic stimuli limited to the carotid chemoreceptors. 2. The direct reflex change in heart rate initiated by hypoxia at the carotid chemoreceptors was a slowing of moderate degree. 3. It is concluded that the cardiac acceleration of generalized hypoxia does not arise chemoreflexly at the carotid bodies.
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