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Related Concept Videos

Assessing Blood pressure using a doppler ultrasound

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:

Special considerations while measuring pulse

Special considerations while measuring pulse

Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:

Equipments Used To Measure Blood Pressure

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...

Pulse

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 radial pulse

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:

Assessment of apical radial pulse

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

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Related Experiment Video

Updated: Jun 18, 2026

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

Tonometer- and ultrasound-based pulse wave analysis - a comparative study.

Stefan Orter¹, Elisabetta Bianchini², Siegfried Wassertheurer³

¹AIT Austrian Institute of Technology, Center for Health & Bioresources, Medical Signal Analysis, Vienna, Austria; Institute of Biomedical Electronics, Vienna University of Technology, Vienna, Austria.

Computer Methods and Programs in Biomedicine

|June 16, 2026

Summary

This summary is machine-generated.

Carotid ultrasound can accurately measure central pulse wave analysis (PWA) parameters, including heart rate, central systolic pressure, and augmentation index. This non-invasive ultrasound method shows strong agreement with traditional tonometry, offering a promising alternative for hemodynamic assessment.

Keywords:

Central hemodynamics Pulse wave analysis Tonometry Ultrasound

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Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Published on: February 7, 2014

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Last Updated: Jun 18, 2026

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Published on: February 7, 2014

Area of Science:

Cardiovascular physiology
Medical imaging
Biomedical engineering

Background:

Pulse wave analysis (PWA) traditionally relies on tonometry for hemodynamic assessment.
Ultrasound typically evaluates local arterial wall mechanics, not central hemodynamics.
This study explores ultrasound's potential for non-invasive aortic PWA.

Purpose of the Study:

To investigate the accuracy of aortic PWA derived from ultrasound carotid diameter measurements.
To compare ultrasound-derived PWA parameters with standard tonometry measurements.

Main Methods:

Utilized a sub-dataset from the FUCHSIA study, including patients with fibromuscular dysplasia, matched hypertensives, and healthy controls.
Processed carotid ultrasound scans to derive diameter curves, transforming them into local pressure and then machine-learning-based aortic pulse waves.
Applied ARCSolver algorithms to ultrasound-derived and tonometry-derived aortic waveforms for parameter comparison.

Main Results:

Analysis included 74 recordings from 49 patients.
High correlations were found between tonometry and ultrasound for heart rate (r=0.88), central systolic pressure (r=0.97), and augmentation index (r=0.77).
Minimal bias was observed for all compared parameters.

Conclusions:

Carotid ultrasound-derived aortic pressure curves yield PWA parameters comparable to tonometry.
This ultrasound-based approach demonstrates agreement with established methods and existing literature.
Ultrasound offers a viable non-invasive alternative for central PWA assessment.