Definition: in cases of a large pulmonary cavity or of pneumothorax, a clear metallic sound obtained by striking a coin, held against the chest, by another coin, or by flicking the chest wall with one's fingernail; the sound is heard on auscultating the chest wall on the same side anteroposteriorly.
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© Copyright 2019 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.