GPS device could measure artery disease severity

February 5, 2008 2:54:13 PM PST
The GPS system that many people have in their car might also give doctors a way to determine the severity of peripheral artery disease.

People with PAD have clogged leg arteries that cause them severe pain when they walk. Currently, a treadmill test is the standard of determining maximal walking distance, but it's not always accurate.

A new study in the journal Circulation finds GPS allows for the analysis of the distanced walked but also the speed, duration of resting, and the number of walking bouts over a prolonged recording period.

However, experts say, GPS can't entirely replace treadmills because treadmills record multiple measurements such as blood pressure and heart rate.


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