CTICasesSubcutaneous Emphysema Vents
Imaging findings
Chest radiograph in a recent lung transplant patient demonstrates extensive subcutaneous emphysema and unusual peripheral IV catheter tubing embedded in the subcutaneous tissues.
Key takeaways
The tubing is used as a technique by some surgical teams—informally termed "blow holes"—to vent subcutaneous air. While uncommon on imaging, recognizing these catheters is important to avoid misinterpretation.
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