Ultrafast ultrasound imaging: a paradigm shift for ultrasonography and its application to blood pressure measurments.

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• Jerome Baranger, CNRF, Institute Physics for Medicine Paris
• Wednesday 04 February 2026, 14:00-15:00
• LT6.

If you have a question about this talk, please contact Anna Walczyk.

Ultrafast ultrasound imaging represents a major breakthrough compared to traditional ultrasound techniques. With the development of fully digital scanners that use plane or divergent ultrasound waves, it is now possible to capture images at up to 10,000 frames per second, far exceeding the typical 50 frames per second of conventional systems. This leap in speed allows researchers to observe rapid and fleeting physiological processes in the human body that were previously invisible. The seminar will focus on one such process: the behavior of major arteries. By examining something as routine as taking blood pressure, we uncover a world of intricate and revealing physical phenomena. A central question will be the origin of Korotkoff sounds, those distinctive noises heard through a stethoscope during blood pressure measurement. Though discovered over a century ago, the exact mechanisms behind these sounds have remained unclear, and ultrafast ultrasound offers new tools to finally unravel this long-standing scientific mystery.

This talk is part of the Engineering Fluids Group Seminar series.

This talk is included in these lists:

• Acoustics Lab Seminars
• Engineering Department Acoustics/Combustion Student seminars
• Engineering Fluids Group Seminar
• LT6

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