When Percussing the Lungs What Is the Normal Sound?
Percussion Produces Sounds on a Spectrum from Flat to Dull Depending on the Density of the Underlying Tissue. Areas of Well-Aerated Lung Will Be Resonant, or...
Percussion produces sounds on a spectrum from flat to dull depending on the density of the underlying tissue. Areas of well-aerated lung will be resonant, or tympanic, to percussion. Dullness to percussion indicates denser tissue, such as zones of effusion or consolidation.
What are normal percussion sounds?
There are three percussion sounds, which are easily distinguishable by objective measures: tympany (heard with percussion over the intestines), resonance (heard over the normal lung), and dullness (heard over the liver or thigh).
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What percussion sound is heard over normal lung?
Resonant sounds are low pitched, hollow sounds heard over normal lung tissue. Flat or extremely dull sounds are normally heard over solid areas such as bones. Dull or thudlike sounds are normally heard over dense areas such as the heart or liver.
Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.
