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Japanese

Assessment of diastolic properties of left ventricle by Fourier analysis of global left ventricular volume curve obtained from RI angiography Hitoshi Koito 1 , Toshiji Iwasaka 1 , Hiroshi Yoshioka 1 , Akira Sakai 1 , Mitsuo Inada 1 , Shigeo Natsuzumi 2 , Keisuke Matsumoto 2 , Akira Kasahara 3 1The Second Department of Medicine, Kansai Medical University 2Department of Radiology, Kansai Medical University Kouri Hospital 3Kasahara Clinic pp.315-319
Published Date 1983/3/15
DOI https://doi.org/10.11477/mf.1404204198
  • Abstract
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To assess the resting left ventricular diastolic preperties in the patients with ischemic heart disease, we analyzed global left ventricular volume curve obtained by radionuclide angiocardiography with Fourier analysis in 72 patients. Analysis in 22 patients revealed that 4 harmonics approximation in the Fourier series could be within Poisson noise. Correlation coefficient between original volume curve and 2 harmonics approximation was 0.987. We made a resurge curve with the value of first harmonic longitudinally and 2 harmonics appro-ximation horizontally.


Copyright © 1983, 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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