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血流成像与超快多普勒
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Bioengineering
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JoVE Journal Bioengineering
Blood Flow Imaging with Ultrafast Doppler
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血流成像与超快多普勒

DOI:
10.3791/61838-v

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05:57 min

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October 14, 2020

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, ,
1Translational Medicine Department,The Hospital for Sick Children, PGCRL Research Institute, 2The Labatt Family Heart Centre, Department of Pediatric, The Hospital for Sick Children,University of Toronto, 3Medical Biophysics Department,University of Toronto

Chapters

  • 00:04Introduction
  • 00:40Doppler Phantom Preparation
  • 01:24Ultrafast Ultrasound Scanner Setup and Sequence Programming
  • 02:27Probe Positioning and Data Acquisition
  • 03:00Image Reconstruction and Clutter Filtering
  • 03:43Flow Visualization and Velocity Measurements
  • 04:50Results: Representative Ultrafast and Power Doppler Imaging
  • 05:27Conclusion

Summary

Automatic Translation

Automatic Translation

此协议显示如何应用超高速超声多普勒成像来量化血液流动。经过 1 秒的长收购后，实验者可以访问具有轴向速度值的全视野电影，每个像素每≈0.3 毫秒（取决于飞行的超声波时间）。

Tags

Keywords: Blood Flow ImagingUltrafast DopplerDoppler PhantomPeristaltic PumpBlood Mimicking FluidPulse DampenerDoppler Flow PhantomUltrafast Ultrasound ScannerPCI ExpressTransducer AdapterMATLABUltrasound SequenceImaging DepthFocal DepthTilted Plane WavesPulse Repetition FrequencyUltrasound WaveformCenter FrequencyB-mode UltrasoundLongitudinal ViewRaw DataImagery Construction ScriptClutter FilteringCasorati MatrixSingular Value Decomposition

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