Presentation
Gun shot injury to the right chest wall and bleeding.
Patient Data
Age: 17 years
Gender: Male
From the case:
Heimlich valve and hemopneumothorax
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Info

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.
Case Discussion
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.