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A Rotating Cylinder Phantom for Flow and Tissue Color Doppler Testing
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Centre for Clinical Research, County of Västmanland.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Medicinska och farmaceutiska vetenskapsområdet, centrumbildningar mm , Centre for Clinical Research, County of Västmanland.
2009 (English)In: Ultrasound in Medicine and Biology, ISSN 0301-5629, E-ISSN 1879-291X, Vol. 35, no 11, 1892-1898 p.Article in journal (Refereed) Published
Abstract [en]

Ultrasound Doppler using two-dimensional (2D) techniques is commonly used to study blood flow and myocardial tissue motion. This use includes measurement of velocity and time intervals, often in relation to the electrocardiogram (ECG) signal. 2D Doppler is frequently considered a real-time technique but in reality the acquisition time can be as long as 200 ms per image. We have developed a test-phantom using a rotating cylinder to simulate blood flow and tissue motion in a whole sector or space angle to evaluate velocity and timing characteristics. The phantom can produce constant velocities for velocity testing, as well as accelerating movement for testing the timing characteristics of ultrasound systems. Our investigation shows that the cylinder phantom is especially suitable for timing measurements in 2D Doppler imaging and that time delays between the Doppler signals and the ECG signal exist in the tested ultrasound system. (E-mail: andrew.walker@ltv.se).

Place, publisher, year, edition, pages
2009. Vol. 35, no 11, 1892-1898 p.
Keyword [en]
Doppler phantom, Time delay, Color Doppler, Tissue Doppler, Echocardiography
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-148200DOI: 10.1016/j.ultrasmedbio.2009.06.1095ISI: 000278012000013PubMedID: 19713031OAI: oai:DiVA.org:uu-148200DiVA: diva2:401680
Available from: 2011-03-03 Created: 2011-03-03 Last updated: 2017-12-11Bibliographically approved

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