Subcutaneous emphysema occurs when air gets into tissues under the skin covering the chest wall or neck. This can happen due to stabbing, gun shot wounds, other penetrations, or blunt trauma.
Alternative Names:
Crepitus; Subcutaneous air; Tissue emphysema
Considerations:
Subcutaneous emphysema can often be seen as a smooth bulging of the skin. When a health care provider feels (palpates) the skin, it produces an unusual crackling sensation as the gas is pushed through the tissue.
Common Causes:
This is a rare condition. When it does occur, possible causes include:
Review Date: 11/4/2005
Reviewed By: William D. Whetstone, M.D., Associate Clinical Professor, Division of Emergency Medicine, University of California San Francisco, San Francisco, CA. Review provided by VeriMed Healthcare Network.
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