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  • Title: Does the baroreceptor-heart rate reflex indicate the capacity of the arterial baroreceptors to control blood pressure?
    Author: Ludbrook J, Mancia G, Zanchetti A.
    Journal: Clin Exp Pharmacol Physiol; 1980; 7(5):499-503. PubMed ID: 7449190.
    Abstract:
    1. We have examined the question asked in the title by studying: the carotid baroreceptor reflex in man with a variable-pressure neck chamber; the carotid baroreceptor reflex in conscious rabbits with a variable-pressure capsule around the carotid bifurcation; and the barorecptor-heart rate reflex. 2. At rest, the association between the sensitivities of the carotid baroreceptor-blood pressure and -heart rate reflexes, and of these with the baroreceptor-heart rate reflex, is weak. Exercise causes dissociation between control of blood pressure and heart rate. In hypertension, depression of the baroreceptor-heart rate reflex does not reflect the altered characterisitics of the carotid sinus-blood pressure reflex.
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