Echocardiograph
ahd-5
noun.
An ultrasonic instrument used in echocardiography.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A device that uses
ultrasound
to produce
images
of the
heart
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a sonograph that creates an image of the heart and its abnormalities