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Related Concept Videos

Doppler Effect - II01:05

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The Doppler effect has several practical, real-world applications. For instance, meteorologists use Doppler radars to interpret weather events based on the Doppler effect. Typically, a transmitter emits radio waves at a specific frequency toward the sky from a weather station. The radio waves bounce off the clouds and precipitation and travel back to the weather station. The radio frequency of the waves reflected back to the station appears to decrease if the clouds or precipitation are moving...
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The Doppler effect and Doppler shift were named after the Austrian physicist and mathematician Christian Johann Doppler in 1842, who conducted experiments with both moving sources and moving observers. Consider an observer standing on a street corner, observing an ambulance with a siren sound passing by at a constant speed. The observer experiences two characteristic changes in the sound of the siren. Initially, the sound increases in loudness as the ambulance approaches and decreases in...
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Related Experiment Video

Updated: Mar 2, 2026

Quantification of Global Diastolic Function by Kinematic Modeling-based Analysis of Transmitral Flow via the Parametrized Diastolic Filling Formalism
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Statement for Doppler waveforms analysis.

Guillaume Mahé1, Carine Boulon2, Ileana Desormais3

  • 11 Unité de Médecine vasculaire, CHU Rennes, Université de Rennes 1, INSERM CIC 1414, Rennes, France.

VASA. Zeitschrift Fur Gefasskrankheiten
|May 20, 2017
PubMed
Summary
This summary is machine-generated.

A new classification system for arterial Doppler waveforms in lower limb peripheral artery disease (PAD) has been proposed. This standardized approach aims to improve PAD diagnosis and patient management globally.

Keywords:
Dopplerperipheral artery diseaseultrasoundwaveforms

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Area of Science:

  • Vascular Medicine
  • Medical Imaging
  • Diagnostic Techniques

Background:

  • Peripheral artery disease (PAD) of the lower limbs is prevalent.
  • Non-invasive examinations, particularly arterial Doppler signal analysis, are crucial for PAD evaluation.
  • Current descriptions of arterial Doppler waveforms lack standardization across institutions and countries.

Purpose of the Study:

  • To address the variability in arterial Doppler waveform morphology descriptions.
  • To introduce a new, simplified classification system for Doppler waveforms.
  • To propose recommendations for Doppler waveform analysis in PAD.

Main Methods:

  • A comprehensive review of published data on Doppler waveforms analysis.
  • Development of the "Saint-Bonnet" classification system, comprising eight types.
  • Inclusion of criteria for Doppler signals not reverting to baseline.

Main Results:

  • The proposed "Saint-Bonnet" classification offers a standardized method for describing physiological and pathological waveforms.
  • The system is based on existing classifications and literature review.
  • Recommendations for Doppler waveform use in PAD diagnosis are provided.

Conclusions:

  • The "Saint-Bonnet" classification has the potential to enhance the description of lower limb arterial waveforms.
  • Standardization of waveform descriptions can improve PAD patient management.
  • This initiative serves as a prelude to achieving international consensus on arterial waveform analysis.