resonance
[rez´o-nans] 1. the prolongation and intensification of sound produced by transmission of its vibrations to a cavity, especially such a sound elicited by percussion. Decrease of resonance is called dullness; its increase, flatness.
2. a vocal sound heard on auscultation.
amphoric resonance a sound resembling that produced by blowing over the mouth of an empty bottle.
skodaic resonance increased percussion resonance at the upper part of the chest, with flatness below it; heard over a large pleural effusion or area of consolidation.
tympanitic resonance 1. the peculiar sound elicited by percussing a tympanitic abdomen.
vocal resonance (VR) the sound of ordinary speech as heard through the chest wall.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.