Inventors:
William L. Griggs - Fort Smith AR
Ernest E. Serrano - Fort Smith AR
Dan Page - Fort Smith AR
Charles G. Reul - Fort Smith AR
International Classification:
A61B 502
Abstract:
A Doppler scan is made of a person's blood vessels, a recording is made of the resulting plural-frequency sounds, and then successive aural sensings of selected frequency-range portions of that Doppler scan recording are made.