Results 21 to 30 of about 1,330,081 (158)

The role of the acoustic radiation force in color Doppler twinkling artifacts [PDF]

open access: yesUltrasonography, 2015
Purpose: The aim of this experimental study was to evaluate whether the acoustic radiation force (ARF) is a potential source of twinkling artifacts in color Doppler images.
Jeong-hwa Yang   +2 more
doaj   +1 more source

Echocardiography-based AI for detection and quantification of atrial septal defect

open access: yesFrontiers in Cardiovascular Medicine, 2023
ObjectivesWe developed and tested a deep learning (DL) framework applicable to color Doppler echocardiography for automatic detection and quantification of atrial septal defects (ASDs).BackgroundColor Doppler echocardiography is the most commonly used ...
Xixiang Lin   +20 more
doaj   +1 more source

Role of Color Doppler Ultrasound in Predicting Malignancy in Cervical Lymph Nodes [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery, 2016
Introduction: Cervical lymphadenopathy is a common finding in clinical practice. There are various causes, which can be broadly divided into benign and malignant.
Kanika Gupta   +3 more
doaj   +1 more source

Development and Evaluation of Doppler Ultrasound Training Phantom for Human Vessel Simulation

open access: yesApplied Sciences, 2023
The purpose of this study was to create a Doppler ultrasound training phantom aimed at aiding beginners in comprehending and effectively utilizing critical parameters during the learning process.
Nagyum Kim   +3 more
doaj   +1 more source

A preliminary study on the Average Maximum Velocity Sensitivity index from flow velocity variation in quality control for Color Doppler

open access: yesMeasurement: Sensors, 2021
Color Doppler (CD) is one of the most used ultrasound (US) Doppler techniques as it allows the 2D representation of blood flow. Even if a clarification on whether such technique provides qualitative or quantitative diagnostic information on velocity ...
Giorgia Fiori   +5 more
doaj   +1 more source

Dual Illumination Planar Doppler Velocimetry using a Single Camera [PDF]

open access: yes, 2003
A Planar Doppler Velocimetry (PDV) illumination system has been designed which is able to generate two beams, separated in frequency by about 600 MHz. This allows a common-path imaging head to be constructed, using a single imaging camera instead of ...
Nobes, David S.   +7 more
core   +1 more source

Multistatic human micro-Doppler classification of armed/unarmed personnel [PDF]

open access: yes, 2015
Classification of different human activities using multistatic micro-Doppler data and features is considered in this paper, focusing on the distinction between unarmed and potentially armed personnel.
Griffiths, Hugh   +8 more
core   +1 more source

Ultrasonography with color Doppler and power Doppler in the diagnosis of periapical lesions

open access: yesIndian Journal of Radiology and Imaging, 2011
Aim: To evaluate the efficacy of ultrasonography (USG) with color Doppler and power Doppler applications over conventional radiography in the diagnosis of periapical lesions.
Sumit Goel   +6 more
doaj   +1 more source

Value of color Doppler ultrasound Finkler scoring system combined with serum tumor markers in differential diagnosis of benign and malignant ovarian tumors in children

open access: yes肿瘤影像学, 2023
Objective: To investigate the value of color Doppler ultrasound Finkler scoring system combined with serum tumor markers in the differential diagnosis of benign and malignant ovarian tumors in children. Methods: A total of 137 children with ovarian tumor
GAO Wenhui   +2 more
doaj  

Case report: Application of color Doppler sonography for the assessment of pulmonary consolidations in a dog

open access: yesFrontiers in Veterinary Science, 2023
A 1,5-year-old male Maltipoo was presented to the emergency service for dyspnea, weakness, and cough. An echocardiographic examination showed evidence of pulmonary hypertension with a McConnell sign.
Katarzyna Kraszewska   +2 more
doaj   +1 more source

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