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Introduction:Vascular laboratories need to improve efficiency while maintaining examination quality. Vascular ultrasound examinations were retrospectively evaluated using the Intersocietal Accreditation Commission (IAC) Quality Improvement (QI) Self-Assessment Tool to evaluate the quality of the...
Introduction:There is a paucity of validated external carotid artery (ECA) velocity criteria and data on the association between ECA velocities and internal carotid artery (ICA) stenosis by carotid duplex ultrasound (CDU) scanning. Our objectives were to determine the relationships between ECA...
Air embolic signals detected in the intracranial arteries using transcranial Doppler after intravenous injection of agitated saline bubbles indicate right-to-left cardiac shunting. They prove that emboli from venous sites can bypass the lungs and flow to the intracranial arteries. The Valsalva...
This case report illustrates the most unique feature of ultrasound that distinguishes it from other imaging modalities: hemodynamic analysis of blood flow by spectral Doppler waveforms. Duplex evaluation of the patient presented showed the different resulting hemodynamic impacts of the Amplatzer...
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