See Also: bellmetal resonance(medicine)
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resonance (as used in expressions)(encyclopedia)

bellmetal resonance (medicine)


bellmetal resonance


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.

Synonym: anvil sound, bell sound, coin test.