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June 1936

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

Author Affiliations

BOSTON

From the Division of Research, Boston State Hospital, and the Department of Neurology, Tufts College Medical School.

Arch NeurPsych. 1936;35(6):1225-1232. doi:10.1001/archneurpsyc.1936.02260060067006
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

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