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Reflex Control of the Heart and Circulation: Implications for Cardiovascular Electrophysiology
Author(s) -
SMITH MICHAEL L.,
CARLSON MARK D.,
THAMES MARC D.
Publication year - 1991
Publication title -
journal of cardiovascular electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.193
H-Index - 138
eISSN - 1540-8167
pISSN - 1045-3873
DOI - 10.1111/j.1540-8167.1991.tb01344.x
Subject(s) - medicine , reflex , carotid sinus , efferent , cardiology , electrophysiology , baroreflex , hemodynamics , autonomic nervous system , circulatory system , vagal tone , anatomy , neuroscience , heart rate , afferent , blood pressure , biology
Cardiovascular Reflexes and Electrophysiology. The autonomic nervous system mediates control of the heart and circulation for several sensors located throughout the cardiovascular system. Afferent signals originate from mechanoreceptors located in the carotid sinus, aorta, chambers of the heart, and great veins near the heart, and from chemoreceptors in the aortic arch and carotid sinus. Efferent signals are transmitted through the vagus and sympathetic nerves to the heart and vascular tree. Hemodynamic and electrophysiologic homeostasis is maintained by beat‐to‐beat regulation via these reflexes. Several cardiovascular diseases are often accompanied by abnormal function of these reflexes; moreover, abnormalities of reflex control of the circulation often contribute to the pathophysiology of many cardiovascular diseases.