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EFFECT OF ALTERATIONS IN POSTURE ON THE INTRA-ARTERIAL BLOOD PRESSURE IN MAN: II. PRESSURE IN THE CAROTID ARTERY IN ARTERIOSCLEROSIS, DURING SYNCOPE AND AFTER THE USE OF VASODILATOR DRUGS

EFFECT OF ALTERATIONS IN POSTURE ON THE INTRA-ARTERIAL BLOOD PRESSURE IN MAN: II. PRESSURE IN THE... Abstract In a previous communication1 we presented data on the behavior of the blood pressure in the carotid artery in man during alterations in posture. Observations were made on a group of subjects with normal circulation and blood pressure, the blood pressure being measured by the use of a simple technic previously described by two of us.2 The present study deals with observations on the effects of alteration in posture in persons with certain abnormal conditions. The intracarotid arterial pressure was studied: (1) in a small group of old men with various degrees of hypertension and arteriosclerosis, (2) in a subject undergoing an attack of syncope, and (3) in a group of subjects with normal cardiovascular systems to whom vasodilator drugs were administered. The technic of the experiment has been described in the aforementioned communication. RESULTS 1. Pressure in the Carotid Artery in Persons with Arteriosclerosis (table 1 and References 1. Loman, J.; Dameshek, W.; Myerson, A., and Goldman, D.: Effect of Alterations in Posture on the Blood Pressure in Man: I. Pressure in the Carotid, Brachial and Femoral Arteries , Arch. Neurol. & Psychiat. , to be published. 2. Dameshek, W., and Loman, J.: Direct Intra-Arterial Blood Pressure Readings in Man , Am. J. Physiol. 101:140 ( (June) ) 1932. 3. Hill, L.: The Influence of the Force of Gravity on the Circulation of the Blood , J. Physiol. 18:15, 1895. 4. Gibbs, F. A.; Loman, J., and Myerson, A.: The Effect of Postural Changes upon the Blood Flow in the Internal Jugular Vein, unpublished data. 5. Piorry, P. A.: Recherches sur l'influence de la pesanteur sur le cours du sang , Arch. gén. de méd. 12:527, 1826. 6. von Basedow: Einfluss der Gravitation auf die Blutcirculation , Wchnschr. f. d. ges. Heilk., 1938, p. 689. 7. Hall, M.: Experimental Investigation of the Effects of Loss of Blood , Med.-Chir. Tr. 17:250, 1831-1832. 8. Gibbs, F. A., and Lennox, W. G.: Personal communications to the authors. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology & Psychiatry American Medical Association

EFFECT OF ALTERATIONS IN POSTURE ON THE INTRA-ARTERIAL BLOOD PRESSURE IN MAN: II. PRESSURE IN THE CAROTID ARTERY IN ARTERIOSCLEROSIS, DURING SYNCOPE AND AFTER THE USE OF VASODILATOR DRUGS

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Publisher
American Medical Association
Copyright
Copyright © 1936 American Medical Association. All Rights Reserved.
ISSN
0096-6754
DOI
10.1001/archneurpsyc.1936.02260060067006
Publisher site
See Article on Publisher Site

Abstract

Abstract In a previous communication1 we presented data on the behavior of the blood pressure in the carotid artery in man during alterations in posture. Observations were made on a group of subjects with normal circulation and blood pressure, the blood pressure being measured by the use of a simple technic previously described by two of us.2 The present study deals with observations on the effects of alteration in posture in persons with certain abnormal conditions. The intracarotid arterial pressure was studied: (1) in a small group of old men with various degrees of hypertension and arteriosclerosis, (2) in a subject undergoing an attack of syncope, and (3) in a group of subjects with normal cardiovascular systems to whom vasodilator drugs were administered. The technic of the experiment has been described in the aforementioned communication. RESULTS 1. Pressure in the Carotid Artery in Persons with Arteriosclerosis (table 1 and References 1. Loman, J.; Dameshek, W.; Myerson, A., and Goldman, D.: Effect of Alterations in Posture on the Blood Pressure in Man: I. Pressure in the Carotid, Brachial and Femoral Arteries , Arch. Neurol. & Psychiat. , to be published. 2. Dameshek, W., and Loman, J.: Direct Intra-Arterial Blood Pressure Readings in Man , Am. J. Physiol. 101:140 ( (June) ) 1932. 3. Hill, L.: The Influence of the Force of Gravity on the Circulation of the Blood , J. Physiol. 18:15, 1895. 4. Gibbs, F. A.; Loman, J., and Myerson, A.: The Effect of Postural Changes upon the Blood Flow in the Internal Jugular Vein, unpublished data. 5. Piorry, P. A.: Recherches sur l'influence de la pesanteur sur le cours du sang , Arch. gén. de méd. 12:527, 1826. 6. von Basedow: Einfluss der Gravitation auf die Blutcirculation , Wchnschr. f. d. ges. Heilk., 1938, p. 689. 7. Hall, M.: Experimental Investigation of the Effects of Loss of Blood , Med.-Chir. Tr. 17:250, 1831-1832. 8. Gibbs, F. A., and Lennox, W. G.: Personal communications to the authors.

Journal

Archives of Neurology & PsychiatryAmerican Medical Association

Published: Jun 1, 1936

References