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echoencephalograph

[ek-oh-en-sef-uh-luh-graf, -grahf] /ˌɛk oʊ ɛnˈsɛf ə ləˌgræf, -ˌgrɑf/
noun, Medicine/Medical
1.
a device that employs reflected ultrasonic waves to examine the position of brain structures.
Origin
Related forms
echoencephalographic
[ek-oh-en-sef-uh-luh-graf-ik] /ˌɛk oʊ ɛnˌsɛf ə ləˈgræf ɪk/ (Show IPA),
echoencephalographical, adjective
echoencephalographically, adverb
echoencephalography
[ek-oh-en-sef-uh-log-ruh-fee] /ˌɛk oʊ ɛnˌsɛf əˈlɒg rə fi/ (Show IPA),
noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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echoencephalography in Medicine

echoencephalography ech·o·en·ceph·a·log·ra·phy (ěk'ō-ěn-sěf'ə-lŏg'rə-fē)
n.
The use of reflected ultrasound to create a detailed visual image of the brain.


ech'o·en·ceph'a·lo·graph' (-lə-grāf', -lō-)
ech'o·en·ceph'a·lo·graph'ic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for echoencephalography

method for detecting abnormalities within the cranial cavity, based on the reflection of high-frequency sound pulses delivered to the head through a probe held firmly to the scalp. The reflected pulses from the skin, brain ventricle, skull, and other head structures are recorded and amplified with a cathode-ray oscilloscope, giving a measure of the distance between the probe and the reflecting surfaces. The method is rapid, painless, and harmless; it is a good screening test for mass lesions causing brain shift and is well adapted for emergency examination of patients with brain hemorrhage. See also brain scanning.

Learn more about echoencephalography with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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