echo
Pronunciation: ek′ō
Definition:
- A reverberating sound sometimes heard during auscultation of the chest.
- In ultrasonography, the acoustic signal received from scattering or reflecting structures or the corresponding pattern of light on a CRT or ultrasonogram.
- In magnetic resonance imaging, the signal detected following an inverting pulse.
[G.]
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Examples: glitazone, GI cocktail, etc.

