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Assessing Blood pressure using a doppler ultrasound01:19

Assessing Blood pressure using a doppler ultrasound

To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pulse01:16

Pulse

When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical indicator...
Assessment of blood pressure in brachial artery(two-step method)01:23

Assessment of blood pressure in brachial artery(two-step method)

Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
Assessment of blood pressure in brachial artery(one-step method)01:15

Assessment of blood pressure in brachial artery(one-step method)

This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Assessment of apical radial pulse01:25

Assessment of apical radial pulse

Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
Assessment of radial pulse01:11

Assessment of radial pulse

Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:

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Related Experiment Video

Updated: Jul 9, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness

Published on: May 3, 2018

Predicting arterial stiffness from the digital volume pulse waveform.

Stephen R Alty1, Natalia Angarita-Jaimes, Sandrine C Millasseau

  • 1King's College London, Centre for Digital Signal Processing Research, Division of Engineering, Strand, London WC2R 2LS UK. steve.alty@kcl.ac.uk

IEEE Transactions on Bio-Medical Engineering
|December 14, 2007
PubMed
Summary

A new method estimates aortic stiffness using the digital volume pulse (DVP), a simple finger-based measurement. This technique offers a fast, effective cardiovascular disease screening tool for general practice.

More Related Videos

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
10:08

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound

Published on: December 2, 2014

Related Experiment Videos

Last Updated: Jul 9, 2026

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity (Cf-PWV) to Evaluate Arterial Stiffness

Published on: May 3, 2018

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound
10:08

Measuring Ascending Aortic Stiffness In Vivo in Mice Using Ultrasound

Published on: December 2, 2014

Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Medical Diagnostics

Background:

  • Cardiovascular disease (CVD) is a leading cause of mortality globally.
  • Early CVD detection is crucial for effective prevention.
  • Aortic stiffness, measured by pulse wave velocity (PWV), predicts CVD but is complex to measure.

Purpose of the Study:

  • To develop a simpler method for estimating aortic stiffness.
  • To assess the feasibility of using digital volume pulse (DVP) for PWV estimation.
  • To evaluate machine learning techniques for predicting arterial stiffness.

Main Methods:

  • Measured PWV and DVP in 461 subjects.
  • Extracted features from DVP waveforms using physiology and information theory.
  • Employed support vector machine (SVM) classifiers and regression for PWV estimation and stiffness classification.

Main Results:

  • SVM classification achieved high accuracy in identifying low and high arterial stiffness (PWV threshold of 10 m/s).
  • SVM regression provided accurate, real-valued PWV estimates, outperforming multilinear regression.
  • The DVP-based method effectively predicts arterial stiffness.

Conclusions:

  • SVM-based analysis of DVP is an effective method for predicting arterial stiffness.
  • This technique offers a cheap and effective cardiovascular disease screening tool.
  • The DVP measurement is a rapid and simple alternative for assessing arterial stiffness in primary care settings.