4-D Pulse Wave Imaging in Normal and Aneurysmal Murine Aortas

Nandlall, Sacha ;   Apostolakis, Iason-Zacharias ;   Wu, Vivian ;   Konofagou, Elisa

Tags UltrasoundSmall animalsElastography imaging

The abdominal aortic aneurysm is a silent and often deadly vascular disease caused by the localized weakening of the arterial wall. Previous...

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Automatic Detection of End-Systole and End-Diastole Frames

Zolgharni, Massoud ;   Negoita, Madalina ;   Dadkho, Elham ;   Cole, Graham ;   Sohaib, Afzal ;   Dhutia, Niti ;   Francis, Darrel

Tags Ultrasound

The automatic detection of end-diastole and end-systole frames from 2D gray-scale echocardiography images are presented. The results show...

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Design and Implementation of a Low-Energy, Low-Cost Handheld Ultrasound Imaging Device

Duarte-Mermoud, Manuel ;   Conca, Carlos ;   MacKinnon, John ;   Johnson, Vader ;   Maureira, Rodrigo

Tags UltrasoundVisualizationParallel computing

We have developed the prototype for a low-cost handheld ultrasound examination tool, intended for use at the point-of-care, with simple yet...

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Electromechanical Wave Imaging Identifies Heart Failure and Treatment Response to Cardiac Resynchronization Therapy

Bunting, Ethan ;   Lambrakos, Litsa ;   Gambhir, Alok ;   Garan, Hasan ;   Konofagou, Elisa

Tags UltrasoundElastography imagingHeart

Although cardiac resynchronization therapy (CRT) has been shown to improve symptoms and decrease mortality in large populations of...

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Intracardiac Myocardial Elastography for Assessment of Right and Left Atrial Radiofrequency Ablation Lesions in Humans

Grondin, Julien ;   Wan, Elaine ;   Gambhir, Alok ;   Garan, Hasan ;   Konofagou, Elisa

Tags Elastography imagingUltrasoundViscoelasticity imaging

Radiofrequency (RF) ablation is an effective method for treatment of cardiac arrhythmias; however, current assessment of RF lesion...

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Local Pulse Wave Velocity Quantification using Ultrafast Ultrasound Imaging: What do We Measure?

Toonen, Jelke ;   Hendriks, Gijs ;   de Korte, Chris

Tags UltrasoundVesselsQuantification and estimation

Ultrafast ultrasound imaging allows assessment of the local pulse wave velocity (PWV) by relating the time point of arterial tissue excursion...

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Shear Wave Velocity Tracking and Elasticity Estimation in Transient Elastography using the Modal Assurance Criterion

Jiao, Yang ;   Xu, Jie ;   Jian, Xiaohua ;   Xiang, Yongjia ;   Han, Zhile ;   Shao, Weiwei ;   Cui, Yaoyao

Tags Elastography imagingUltrasound

Shear wave elasticity imaging (SWEI) is a transient method of ultrasound elatography to present the changes in stiffness which are a sign of...

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