polygraph

polygraph definition - medical

pol·y·graph (pŏlˈē-grăfˌ)

noun
An instrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure, and respiration.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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