Crepitus

• C • Apr 24 05



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Alternative names
Subcutaneous emphysema; Subcutaneous air; Tissue emphysema

Definition
Subcutaneous emphysema is the inadvertent introduction of air 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.

Considerations

Subcutaneous emphysema can often be seen as a smooth bulging of the skin. When a health care provider feels the skin (palpates), 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:

Pneumothorax (collapsed lung)
Ruptured esophagus
Ruptured bronchial tube

Call your health care provider if
Most of the conditions associated with subcutaneous emphysema are very severe and require hospitalization. Medical staff would already be involved in most cases.

Last revised: December 4, 2007
by Harutyun Medina, M.D.

Medical Encyclopedia

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All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.

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