THE ADJUSTMENT OF HEART RATE AND ARTERIAL PRESSURE IN HEALTHY YOUNG WOMEN DURING PROLONGED STANDING

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Abstract
Observations on heart rate and arterial pressures were made on 64 healthy young women during reclining and during 15 min. of quiet standing. This test appears to give an index of the ability of the circulatory apparatus to adjust itself to the difficult task of maintaining the quiet, erect position. Scores by this procedure and measurement of the circulatory minute volume by the Field-Bock method were fairly parallel. The ratings by Schneider''s test were also frequently in agreement, though the new scores spread out more widely and thus differentiate the subjects more clearly. There were some discrepancies. The use of the change from reclining to a more or less prolonged period of quiet standing is suggested for circulatory studies as likely to produce differential results quite as suggestive as those of exercise versus rest.

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