Subcutaneous emphysema may be found in the following conditions:
* Posterior tracheal wall laceration is responsible for emphysema after Percutaneous Tracheostomy. After perforation of the posterior trachea wall, the pleural space can be reached easily. This may result in a pneumothorax. * Trauma to chest including after a vigorous Hemilich maneuver can lead to subcutaneous emphysema.
Tracheostomy
Hemilich maneuver
Chest injury
All of the above
Miscellaneous Questions