Definition of "echocardiograph" []

• An instrument that in a painless and noninvasive manner employs the differential transmission and reflection of ultrasonic waves to image structural and functional abnormalities of the heart. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Recent disruptive innovations include Nintendo's Wii gaming console, General Electric's $2,500 echocardiograph machine and Tata's $3,000 nano automobile."
• "Kelley Stewart, a doctoral student in mechanical engineering, and Charonko are working on a project in collaboration with cardiologists William Little and Rahul Kumar from the Wake Forest University School of Medicine to improve Doppler echocardiograph and MRI diagnostics for this disease."
• "All primary measurements such as LV wall thickness, dimensions, and cross-sectional areas were traced manually and digitized by goal-directed, diagnostically driven software installed within the echocardiograph."