During palpation of the anterior chest wall,the nurse notices a coarse,crackling sensation over the skin surface.On the basis of these findings,the nurse suspects:

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Crepitus is a coarse,crackling sensation palpable over the skin surface.It occurs in subcutaneous emphysema when air escapes from the lung and enters the subcutaneous tissue,such as after open thoracic injury or surgery.

During Palpation of the Anterior Chest Wall,the Nurse Notices a Coarse,crackling