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Japanese

Measurement of Left Ventricular Pressure Pulse and Analysis of Force-Velocity Relation by Analog Computation Kameyoshi Okazaki 1 , Takao Saito 1 , Norihiro Ohta 1 , Seisaku Sakata 1 , Ryuichi Tonogai 1 , Ikuro Morita 2 , Hiroshi Okitsu 2 1Department of Anesthesiology, Tokushima University School of Medicine 2Department of Electrical Engineering, Tokushima University, Faculty of Engineering pp.511-516
Published Date 1976/6/15
DOI https://doi.org/10.11477/mf.1404202913
  • Abstract
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The purpose of the study is to know whether an analog computer unit, which was introduced into the market recently and consists of a logarithmic amplifier and a differentiation circuit, is adequate or at least applicable for the estimation of so-called myocardial force-velocity relation or not.

The study comprizes three major portions:(1) Power spectra of the canine left ventricular pressure pulses were obtained by Fourier analysis of respective original waves, in order to know an optimal frequency range input to the computation circuit.


Copyright © 1976, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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