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NASA Technology Helps Detect and Treat Heart Disease and Strokes

ultimately led to the software used in ArterioVision.

"This is such a precise method of examining the carotid artery. It can distinguish between 256 shades of gray at a subpixel level," Selzer said. "You need that kind of detail to help catch heart disease as early as you can, often before there are any outward symptoms."

During the test, a patient lies on an examination table while a technician applies gel to the neck to image the carotid arteries, located on both sides of the neck near the skin's surface. The technician uses an ultrasound machine while following a patented protocol to capture specific images of the carotid artery wall. Using the ArterioVision software, the physician generates a CIMT measurement and a report that identifies the patient's risk profile when compared to people of the same gender and age.

JPL's Image Processing Laboratory was created in 1966 to receive and make sense of spacecraft imagery. In the lab, the NASA-invented Video Imaging Communication and Retrieval software has been used to process pictures from numerous space missions, including the Voyagers and Mars Reconnaissance Orbiter. Periodic upgrades of the imaging software have enabled greater accuracy and improved knowledge of our solar system, and have laid the groundwork for understanding images of all kinds.

The ArterioVision test was developed with JPL's Innovative Partnerships Program, designed to bring benefits of the space program to the public. "It is exciting to see this NASA-funded technology grow in sophistication over the years and help in the battle against one of the nation's leading health issues," said Ken Wolfenbarger, Innovative Partnerships Program manager at JPL. The American Heart Association says heart disease is the leading cause of death in the United States, while strokes are third, behind all forms of cancer.

Gary F. Thompson, chairman and chief executive officer of MTI, says the test
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