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The Audible Human Project: Modeling Subject-Specific Sound Transmission in the Lungs and Torso

[+] Author Affiliations
Thomas J. Royston, Zoujun Dai, Marco Mazzucco

University of Illinois - Chicago, Chicago, IL

Paper No. IMECE2008-67604, pp. 641-642; 2 pages
doi:10.1115/IMECE2008-67604
From:
  • ASME 2008 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering
  • Boston, Massachusetts, USA, October 31–November 6, 2008
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4863-0 | eISBN: 978-0-7918-3840-2
  • Copyright © 2008 by ASME

abstract

A computational model for simulating sound propagation in the lungs and torso is being developed and evaluated. A theoretical model for sound propagation in the airways is coupled with an acoustic boundary element (BE) model for sound propagation in the lung parenchyma and a finite element (FE) model for sound propagation in the surrounding chest wall. Models are being validated theoretically and numerically and compared with experimental studies, including: lung-chest phantom models that simulate the lung pathology of pneumothorax; and normal human subject studies. This work is relevant to the development of advanced auscultatory techniques for lung, vascular and cardiac sounds within the torso and may be useful in the development of a more effective educational tool for teaching stethoscopic skills in the future.

Copyright © 2008 by ASME
Topics: Sound , Modeling , Lung

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