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Right sided diaphragmatic hernia secondary to blunt abdominal traumaRight sided diaphragmatic injury secondary to blunt trauma Fernando Joglar, MD, San Juan, Puerto Rico |
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Tension pneumothorax
Chest Trauma Pneumothorax - Tension
, February 09, 2004
Tension pneumothorax
Tension pneumothorax is the progressive build-up of air within the pleural space, usually due to a lung laceration which allows air to escape into the pleural space but not to return. Positive pressure ventilation may exacerbate this ‘one-way-valve’ effect. Progressive build-up of pressure in the pleural space pushes the mediastinum to the opposite hemithorax, and obstructs venous return to the heart. This leads to circulatory instability and may result in traumatic arrest.
