DOES THE BARORECEPTOR-HEART RATE REFLEX INDICATE THE CAPACITY OF THE ARTERIAL BARORECEPTORS TO CONTROL BLOOD PRESSURE?
Authors:
- J. LudbrookJLJ. Ludbrook
- G. ManciaGMG. Mancia
- A. ZanchettiAZA. Zanchetti
- 1 October 1980
- journal article
- Published by Wiley in Clinical and Experimental Pharmacology and Physiology
- Vol. 7 (5) , 499-503
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.Keywords
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