Pulse Wave Velocity in the Carotid Artery

Gertrud Laura Sørensen, Julie Brinck Jensen, Jesper Udesen, Iben Kraglund Holfort, Jørgen Arendt Jensen

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    The pulse wave velocity (PWV) in the carotid artery (CA) has been estimated based on ultrasound data collected by the experimental scanner RASMUS at DTU. Data is collected from one test subject using a frame rate (FR) of 4000 Hz. The influence of FRs is also investigated. The PWV is calculated from distension wave forms (DWF) estimated using cross-correlation. The obtained velocities give results in the area between 3-4 m/s, and the deviations between estimated PWV from two beats of a pulse are around 10%. The results indicate that the method presented is applicable for detecting the local PWV. Additional studies with data collections from several test subjects are required to determine the accuracy of the approach. Based on a spectrum analysis it appears that there is no gain from using FRs above 1000 Hz, but it is shown that FRs below 1000 Hz do not give accurate PWVs.
    Original languageEnglish
    Title of host publicationProceedings of the IEEE International Ultrasonics Symposium
    Publication date2008
    Publication statusPublished - 2008
    Event2008 IEEE International Ultrasonics Symposium - Beijing, China
    Duration: 2 Nov 20085 Nov 2008


    Conference2008 IEEE International Ultrasonics Symposium
    Internet address

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