Essays about: "vascular ultrasound"
Showing result 1 - 5 of 6 essays containing the words vascular ultrasound.
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1. Venous Component Separation From a Pulse Oximeter Signal using Blind Source Separation with Ultrasound Imaging as Reference
University essay from Lunds universitet/Avdelningen för Biomedicinsk teknikAbstract : Intradialytic hypotension (IDH) is a major drawback of haemodialysis and occurs in more than every fifth dialysis treatment. There is a need for real-time measurement, with an ability to detect IDH before it occurs. Photoplethysmography (PPG) may provide sufficient information about hemodynamic status to prevent IDH. READ MORE
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2. Development of Ultrasound Pulse Sequences for Acoustic Droplet Vaporization
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : Ultrasound-mediated drug delivery has been proposed as a safe and non-invasive method to achieve localized drug release. Drug-loaded microbubbles are injected in the vascular system and ultrasound waves are then used to localize and burst the microbubbles at a specific targeted area. READ MORE
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3. A Study of Vascular Plaque in the Carotid
University essay from KTH/Skolan för teknikvetenskap (SCI)Abstract : In 2015, cardiovascular diseases caused the death of 17.7 million people - 31 % of all deaths globally - making it deadlier than any other cause.Cardiovascular diseases often result from Arteriosclerosis, a disease where plaque builds up and clogs arteries. READ MORE
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4. Non-invasive ultrasound measurements of vascular impedance
University essay from Lunds universitet/Avdelningen för Biomedicinsk teknikAbstract : Despite its introduction in the early 1950´s, vascular impedance has yet to be applied in clinical use to predict early stages of cardiovascular disease (CVD). It is defined as the ratio between blood pressure and flow and describes the opposition to blood flow within the cardiovascular system. READ MORE
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5. Subharmonic Imaging of Polymer-Shelled Contrast Agents
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : The harmonic generation due to the nonlinear behavior of Ultrasound Contrast Agents (UCAs) must be exploited for improved efficiency when imaging vascular targets in the neighborhood of highly echogenic tissue. One may even further improve the efficiency by focusing on the subharmonic generation of the UCAs, which is an even more exclusive property than the generation of higher harmonics, for improved Contrast-to-Tissue ratio (CTR). READ MORE