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Measurement of Arterial Wave Velocity With Ultrasound

[+] Author Affiliations
Xiaoming Zhang, Cristina Pislaru, Randall R. Kinnick, James F. Greenleaf

Mayo Clinic College of Medicine, Rochester, MN

Paper No. IMECE2007-43370, pp. 355-356; 2 pages
doi:10.1115/IMECE2007-43370
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4296-7 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by ASME

abstract

Pulse wave velocity (PWV) is widely used for estimating the stiffness of an artery. PWV is measured by the time of travel of the “foot” of the pressure wave over a known distance. This technique has a low time resolution and is an average measurement of artery stiffness between the two measuring positions. In this paper an arterial wave is generated non-invasively in the vessel wall by the radiation force of ultrasound. The wave velocity in the vessel is measured non-invasively by ultrasound with high time resolution over a short distance of a few millimeters.

Copyright © 2007 by ASME
Topics: Waves , Ultrasound

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