The Meaning of the Point of Maximum Oscillations in Cuff Pressure in the Indirect Measurement of Blood Pressure--part Ii

Overview

Journal J Biomech Eng

Publisher American Society of Mechanical Engineers

Date 1980 Feb 1

PMID 7382450

Citations 35

Authors

G W Mauck

C R Smith

L A Geddes

J D Bourland

Affiliations

Soon will be listed here.

Abstract

When measuring blood pressure indirectly, oscillations in the cuff pressure are observed. The cuff pressure for which these oscillations reach a maximum and its relationship to the true mean arterial pressure was investigated using a simple one-dimensional theoretical model of the cuff-arm-artery system. Results from this model indicate that the cuff pressure for maximal oscillation is strongly dependent on compression chanber air volume, pulse pressure, and arterial elasticity. Parallel experimental studies indicate general agreement with the theoretical model. The cuff pressure for maximal oscillations appears to provide a reasonable estimation of the true mean arterial pressure provided compression chamber air volume is kept small.

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