Heimlich valve and hemopneumothorax
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Gun shot injury to the right chest wall and bleeding.
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Status post gunshot wound to the right chest with moderate hemopneumothorax status post Heimlich valve decompression. Radiopaque bullet fragments seen overlying the right hemithorax. Subcutaneous emphysema. Mediastinal shift to left.
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The Heimlich valve is a small one-way valve used for chest drainage of air/fluid. It is easily used by emergency medical personnel at the site of gunshot injuries.