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Fast test for low blood flow in dogs detects early heart trouble

culations for each of the organ's three major regions: the front, back and side walls.

When researchers compared the deconvolution measurements with those derived from the microspheres test, they found the two to be almost identical, with statistical R-values of 0.93 to 0.96, and with 1.0 meaning a perfect match. Indeed, blood flows ranged from 0.3 milliliters per gram of heart tissue per minute to 8 milliliters per gram per minute.

"We think this is a natural evolution of the technology and a significant improvement in our ability to diagnose problems with blood flow," says George, who conducted the study from June to September 2006. George adds that larger clinical studies are planned at Hopkins to further refine the use of the latest CT technology for diagnosis of heart disease and other ailments.

The 64-CT scan has only been available in North America since February 2005. Each machine costs between $1.5 million and $2 million. A single test costs approximately $700.


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Source:Johns Hopkins Medical Institutions


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