NASA NTRS · 19780000533
Noncontacting electrokinetography system
Abstract
Noncontact acoustic technique utilizing air-coupled ultrasonic transducers for measuring motion of chest wall during cardiac cycle gives information on changes in size and compliance of heart ventricles. Information is digitized and fed to microprocessor for rapid storage and analysis for aid in diagnosis of heart condition.
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Davis, J. G., Hickman, D. M.. 1979-03-01. Noncontacting electrokinetography system. https://ntrs.nasa.gov/citations/19780000533
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