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    InnovationNTNUhealth

    Reducing SONAR overheating

    written by @NTNUhealth
    Reducing SONAR overheating

    By Marcus Wild Within the maritime industry, ships use SONAR (Sound Navigation and Ranging) systems in order to make maps of the seabed. The…

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    7 January 2019 0 comment
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  • InnovationNTNUhealth

    With CIUS at IUS

    by @NTNUhealth 21 December 2018

      By Tormod Njølstad, Innovation Manager in Ultrasound, NTNU. Twenty-nine experts and researchers associated with CIUS participated at IUS, the IEEE International Ultrasound Symposium…

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  • CardiovascularChildren and youthCongenital DisordersNTNUhealth

    Mapping early signs of cardiac dysfunction in children using ultrasound

    by @NTNUhealth 1 November 2018

    Children with dysfunction of the right heart chamber (ventricle), which pumps blood to the lungs, have lower tolerance to exercise and at risk of sudden cardiac death in more severe cases. This dysfunction usually sets in progressively and detection at earlier stages is crucial to guiding therapies and interventions that improve symptoms and survival. New ultrasound techniques, makes it easier detect and quantify the problem.

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  • CardiovascularNTNUhealth

    Assessing aortic stenosis severity by ultrasound

    by @NTNUhealth 18 October 2018

    Aortic valve stenosis is a narrowing of the valve that separates the left ventricle from the aorta. A reduced opening increases the effort required by the left ventricle to pump blood. Being a degenerative disease, patients with aortic stenosis must undergo a clinical follow-up, which is usually performed by ultrasound. At the Centre of Innovative Ultrasound Solutions (CIUS), we are developing a new method that exploits 3-D high frame-rate imaging to increase the degree of automation in aortic stenosis flow measurements. The goal is to speed up the workflow in the clinics and increase the accuracy of measurements.

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  • Research

    The health of petroleum wells

    by @NTNUhealth 12 September 2018

    How do you check that a petroleum well is leak-proof, so that it cannot endanger the environment or the platform staff? To do so, you’d have to investigate a narrow hole with a diameter of maybe 30 cm, kilometers below the ground, where the temperatures can reach well above 100°C and the pressure is crushing. This may sound difficult, and it is! Even so, the petroleum industry has been doing things like these for almost a century, and over the past four decades they have increasingly been using ultrasonic techniques.

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  • CardiovascularNTNUhealth

    Improving cardiac ultrasound in difficult-to-image patients

    by @NTNUhealth 30 August 2018

    Despite constant improvements within the field of medical ultrasound, there are still a considerable number of difficult-to-image patient. Echocardiograms (heart images) taken from these patients do not have the quality that is needed for correct diagnosis. Therefore it is important to further improve the quality of echocardiograms.

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  • CardiovascularNTNUhealth

    Could your local doctor diagnose heart disease using a handheld ultrasound device?

    by @NTNUhealth 29 June 2018

    Many potential heart patients that are referred to specialists, turn out not to need specialist care. If general practitioners (GPs) could use handheld ultrasound devices with built-in diagnostic tools, could this improve patient outcome and reduce cost for the health services?

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  • CardiovascularNTNUhealth

    Improving ultrasound images of the heart’s blood vessels

    by @NTNUhealth 20 June 2018

    Coronary heart disease is a condition where the heart muscle (myocardium) does not receive enough oxygen and nutrients due to obstruction of blood flow in the heart’s blood vessels, known as the coronary arteries. It is therefore important to investigate the blood flow in these vessels. However, it is challenging to obtain accurate measurements due to the combination of poor blood flow, the constant movement of the heart throughout the cardiac cycle, and surrounding tissue causing noise signals.

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  • CardiovascularNTNUhealth

    Using artificial intelligence to measure the heart

    by @NTNUhealth 24 May 2018

    Artificial intelligence can now help clinicians by automatically measuring the heart in ultrasound images. This can save time and may in the future enable inexperienced users to perform accurate measurements of the heart.

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  • NTNUhealthResearch

    Making analog-to-digital converters for digital ultrasound probes

    by @NTNUhealth 19 April 2018

    Making good digital ultrasound probes is extremely challenging because of the constrained amount of power that can be used. If significantly more than a couple of watts are consumed, the probe gets too hot to be allowed to touch your skin.

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