Doppler echocardiography

[ dŏplər ]

n.

The use of Doppler ultrasonography to augment echocardiograms that are two-dimensional by allowing velocities to be registered within the echocardiogram.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.