News tagged with ct perfusion
First-of-its-kind head patch monitors brain blood flow and oxygen
A research team led by investigators at Mayo Clinic in Florida has found that a small device worn on a patient's brow can be useful in monitoring stroke patients in the hospital. The device measures blood oxygen, similar ...
Medicine & Health / Cardiology
Feb 01, 2012 |
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The next stage of heart function testing
A new non-invasive technique for measuring how well the heart and blood vessels function in patients already suffering from coronary artery disease could, in a single test, identify which abnormally narrowed blood vessels ...
Medicine & Health / Cardiology
Oct 11, 2011 |
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Experts offer pointers for optimizing radiation dose in head CT
An article in the August issue of the Journal of the American College of Radiology summarizes methods for radiation dose optimization in head computed tomography (CT) scans. Head CT is the second most commonly performed CT exa ...
Aug 01, 2011 |
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Combo high-tech CT scans just as good as older imaging to detect coronary artery disease
Heart imaging specialists at Johns Hopkins have shown that a combination of CT scans that measure how much blood is flowing through the heart and the amount of plaque in surrounding arteries are just as good ...
Nov 16, 2010 |
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Image-processing algorithm reduces CT radiation dose by as much as 95 percent
Perfusion CT scanning, an emerging imaging technology, got a bad rap last year when a machine set to incorrect radiation levels overdosed hundreds of people in Los Angeles. In the wake of this incident, researchers at the ...
Jul 20, 2010 |
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Large medical center reduces cumulative radiation exposure and CT scans through imaging algorithm
A large, academic medical center implemented an imaging algorithm that allowed radiologists to successfully reduce the cumulative radiation exposure and number of computed tomography (CT) angiography (CTA) and CT perfusion ...
Jun 21, 2010 |
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A better sign of blood vessel narrowing and early coronary artery disease
Cardiologists and heart imaging specialists at 15 medical centers in eight countries, and led by researchers at Johns Hopkins, have enrolled the first dozen patients in a year-long investigation to learn whether the subtle ...
Feb 03, 2010 |
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